CN114259100B - Trousers edition type ruler set - Google Patents

Trousers edition type ruler set Download PDF

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Publication number
CN114259100B
CN114259100B CN202210013287.6A CN202210013287A CN114259100B CN 114259100 B CN114259100 B CN 114259100B CN 202210013287 A CN202210013287 A CN 202210013287A CN 114259100 B CN114259100 B CN 114259100B
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ruler
rule
point
line
plate
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CN114259100A (en
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陈晓玲
肖乐香
曾琬仪
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Hunan Institute of Engineering
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Hunan Institute of Engineering
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Abstract

The invention discloses a trousers plate type ruler set, which comprises an A ruler, a B ruler and a C ruler, wherein the A ruler is used for manufacturing patterns with different crotch lengths by independently and separately arranging crotch parts; the ruler B is used for manufacturing the patterns of trousers with different waistlines by arranging graduated scales on two sides of the waistline, and the ruler B is used for manufacturing the patterns with different crotch lengths by arranging right-angle squares on the top of the crotch; the C ruler is used for manufacturing the layout of trousers with different hips by arranging graduated scales on two sides of the hips. The invention can complete the rapid plate making of the trousers prototype by using the ruler set, and can draw trousers with the variation of trousers length, crotch length, waistline, hip circumference and foot opening circumference and style, and the drawing efficiency is high.

Description

Trousers edition type ruler set
Technical Field
The invention belongs to the technical field of clothing design, and particularly relates to a trousers plate type ruler set.
Background
When the trousers are designed and drawn, the size data of five parts, namely the trousers length, the crotch length, the waistline, the hip circumference and the foot opening, need to be mastered, and the changes of the styles are the changes of the lengths or the circumferences of the parts and the relations among the parts. At present, when designing trousers, for platemakers, prototypes of trousers are redrawn according to different model designs, which takes time and effort.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a trousers plate type ruler set, which can be used for completing trousers prototype quick platemaking and drawing trousers with trousers length, crotch length, waistline, hip circumference, foot opening circumference and style change, and has high drawing efficiency.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
a trousers plate type sleeve ruler comprises an A ruler, a B ruler and a C ruler, wherein the A ruler is used for manufacturing patterns with different crotch lengths by independently and separately arranging crotch parts, and the A ruler is used for manufacturing patterns of trousers with different foot opening circumferences by arranging graduated scales on two sides of a foot opening; the ruler B is used for manufacturing the patterns of trousers with different waistlines by arranging graduated scales on two sides of the waistline, and the ruler B is used for manufacturing the patterns with different crotch lengths by arranging right-angle squares on the top of the crotch; the C ruler is used for manufacturing the layout of trousers with different hips by arranging graduated scales on two sides of the hips.
As a further improvement of the above technical scheme:
the A ruler comprises two A ruler plates, each A ruler plate comprises an A ruler plate body and two A graduated scales, the outline of each A ruler plate body is a trousers prototype drawing, scales are arranged on the A graduated scales, each A graduated scale is arc-shaped, the two A graduated scales and the A ruler plate bodies are located in the same plane, one end of one A graduated scale is connected with one end point of the trouser leg opening of the A ruler plate body, the other end of the corresponding A graduated scale is overhanging, and one end of the other A graduated scale is connected with the other end point of the trouser leg opening of the A ruler plate body, and the other end of the corresponding A graduated scale is overhanging.
Each A ruler plate further comprises two A wing plates, the two A wing plates and the A ruler plate body are located in the same plane, the two A wing plates are located at two sides of the A ruler plate body respectively, a plurality of line segments are arranged on each A wing plate, two endpoints of each line segment are located on one A graduated scale and the A ruler plate body respectively, the middle of each line segment is hollowed, the two ends of each line segment are not hollowed, the plurality of line segments on one A wing plate and the plurality of line segments on the other A wing plate are designed according to the increasing line and the unfolding amount of the trousers piece, the plurality of line segments on one A wing plate are symmetrical with the plurality of line segments on the other A wing plate relative to seam lines on the A ruler plate body respectively, and horn-shaped trouser legs with different opening sizes of the trousers are drawn along different line segments.
The two ruler plates of the A ruler are an A ruler front ruler plate and an A ruler rear ruler plate respectively, the A ruler front ruler plate comprises an A front ruler upper plate and an A front ruler lower plate, the A front ruler lower plate comprises an A front ruler lower plate body, the A front ruler lower plate body and the A front ruler upper plate are spliced to form a trousers front piece prototype graph, the A ruler rear ruler plate comprises an A rear ruler upper plate and an A rear ruler lower plate, the A rear ruler lower plate comprises an A rear ruler lower plate body, and the A rear ruler lower plate body and the A rear ruler upper plate are spliced to form a trousers rear piece prototype graph.
The B ruler comprises two B ruler plates, each B ruler plate comprises a B ruler plate body, two B ruler wing plates and two B ruler dividing rules I, the outline of the body of the B ruler plate is a trousers prototype drawing, the B ruler plate body, the two B ruler wing plates and the two B ruler dividing rules I are located on the same plane, the two B ruler wing plates are respectively located on two sides of the body of the B ruler plate, a plurality of lines are arranged on the B ruler wing plates, one end point of each line on one B ruler wing plate is located on one end point of each hip enclosing line on the body of the B ruler, the other end point of each line is located on the extending line of each waist enclosing line of the body of the B ruler, the other end point of each line on the other B ruler wing plate body is located on the extending line of each waist enclosing line of the B ruler plate body, the middle hollow parts and the two ends of each line on the B ruler wing plates are not hollow, trousers drawings of different sizes are drawn along different lines, one end point of each waist enclosing line of the B ruler body and the B ruler body is located between one waist enclosing line of the B ruler body and the other, and one waist enclosing line of the B ruler body is located between the two waist enclosing lines of the B ruler body and the other, and the other waist enclosing line of the B ruler body is located between the two B ruler body and the two body dividing rules.
The ruler B also comprises a ruler B graduated scale II, wherein the ruler B graduated scale II comprises two perpendicular right-angle sides, one end of one right-angle side is connected with the top point of the crotch part of the ruler B plate body, and the right-angle side is parallel to the hip circumference line.
The two B ruler plates are respectively a B ruler front ruler plate and a B ruler rear ruler plate, the B ruler plate body of the B ruler front ruler plate is a B ruler front ruler plate body, the B ruler front ruler plate body forms a trousers front piece prototype graph, the B ruler plate body of the B ruler rear ruler plate is a B ruler rear ruler plate body, and the B ruler rear ruler plate body forms a trousers rear piece prototype graph.
The C ruler comprises two C ruler plates, each C ruler plate comprises a C ruler plate body and two C ruler wing plates, the outline of the C ruler plate body is a trousers prototype graph, the C ruler plate body and the two C ruler wing plates are located in the same plane, the two C ruler wing plates are located at two sides of the C ruler plate body respectively, a plurality of curves are arranged on the C ruler wing plates, one end of each curve on one C ruler wing plate is one end point of a waist girth line of the C ruler plate body, the other end of each curve on the other C ruler wing plate is one vertex of a crotch line, one end of each curve on the other C ruler wing plate is the other end point of a waistline, the other end of each curve is the other vertex of the crotch line, the crotch line is parallel to the hip girth line on the C ruler plate body, one vertex of each crotch line is the crotch vertex, and the two sides of each curve are not hollowed out, and trousers graphs with different girth sizes are drawn along different curves.
Each C ruler plate further comprises two C ruler graduated scales, the two C ruler graduated scales and the C ruler plate body are located in the same plane, hip lines on the two C ruler graduated scales and the C ruler plate body are flush, one C ruler wing plate is located between the C ruler plate body and one C ruler graduated scale, and the other C ruler wing plate is located between the C ruler plate body and the other C ruler graduated scale.
The two C ruler plates are a C ruler front ruler plate and a C ruler rear ruler plate respectively, a C ruler plate body of the C ruler front ruler plate is a C ruler front ruler plate body, the C ruler front ruler plate body forms a trousers front piece prototype graph, a C ruler plate body of the C ruler rear ruler plate is a C ruler rear ruler plate body, and the C ruler rear ruler plate body forms a trousers rear piece prototype graph.
The beneficial effects of the invention are as follows: the trousers can be used for completing rapid plate making of trousers prototype, and trousers with variable trousers length, crotch length, waistline, hip circumference and foot opening circumference can be drawn; the drawing efficiency is high; the A ruler is a drawing template for changing crotch length, foot opening circumference and style of trousers, wherein the style change comprises straight pants, small horn pants, common horn pants, large horn pants and conical pants; the rule B is a trousers dress drawing template with waistline and trousers length changed; the C ruler is a trousers dress drawing template with the hip circumference and the trousers length changed; the template ruler set solves the problem that the prototype is required to be drawn again by the hand drawing plate every time, and greatly simplifies the drawing steps of trousers.
Drawings
FIG. 1 (a) is a schematic view of the structure of the rear ruler plate of the A ruler of the invention;
FIG. 1 (b) is a schematic view of the structure of the front ruler of the A ruler of the invention;
FIG. 2 (a) is a schematic view of the structure of the rear ruler of the B ruler of the invention;
FIG. 2 (B) is a schematic view of the structure of the front ruler of the B ruler of the invention;
FIG. 3 (a) is a schematic view of the structure of the rear ruler plate of the C ruler of the invention;
FIG. 3 (b) is a schematic view of the structure of the front ruler of the C ruler of the invention;
FIG. 4 (a) is a schematic drawing of an embodiment of the present invention using an A-scale rear scale plate;
FIG. 4 (b) is a schematic drawing of an embodiment of the present invention using a-rule front ruler board;
FIG. 5 (a) is a schematic drawing of an embodiment of the present invention using a B-rule rear ruler plate;
FIG. 5 (B) is a schematic drawing of an embodiment of the present invention using a B-rule front ruler plate;
FIG. 6 (a) is a schematic drawing of an embodiment of the present invention using a C-rule rear scale plate;
fig. 6 (b) is a schematic drawing of an embodiment of the present invention using a C-rule front ruler plate.
Detailed Description
The following describes specific embodiments of the present invention in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the invention, are not intended to limit the invention.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
A pair of trousers type ruler sets is shown in fig. 1 (a) to 6 (B), and comprises three trousers assembly drawing templates, namely an A ruler, a B ruler and a C ruler. The A ruler is used for manufacturing the patterns with different crotch lengths by independently and separately arranging the crotch parts, and the A ruler is used for manufacturing the patterns of trousers with different foot opening circumferences by arranging graduated scales on two sides of the foot opening; the ruler B is used for manufacturing the patterns of trousers with different waistlines by arranging graduated scales on two sides of the waistline, and the ruler B is used for manufacturing the patterns with different crotch lengths by arranging right-angle squares on the top of the crotch; the C ruler is used for manufacturing the layout of trousers with different hips by arranging graduated scales on two sides of the hips.
The A ruler comprises a front ruler plate and a rear ruler plate. The A-scale front ruler plate comprises an A-scale upper plate 1 and an A-scale lower plate 2, and the A-scale upper plate 1 and the A-scale lower plate 2 are separately and independently arranged. The A rear ruler plate comprises an A rear ruler upper plate 3 and an A rear ruler lower plate 4, and the A rear ruler upper plate 3 and the A rear ruler lower plate 4 are separately and independently arranged.
The front ruler upper plate 1 is quadrilateral, four vertexes of the front ruler upper plate are respectively an a point, a b point, a d point and a c point in the anticlockwise direction, wherein the a point is the vertex of the upper right corner of the front ruler upper plate. Four edge lines or edges are thus formed, an ab edge between points a and b, a bd edge between points b and d, a dc edge between points d and c, and an ac edge between points a and c, respectively. Wherein, the dc sideline is provided with scales.
The lower plate 2 of the front ruler comprises a lower plate body of the front ruler, two wing plates of the front ruler and two graduated scales L of the front ruler 1 . The lower plate body of the front ruler A is pentagonal, five vertexes of the lower plate body are respectively an e point, an f point, an h point, an l point and a k point in the anticlockwise direction, wherein the e point is the vertex of the upper right corner of the lower plate body. Five lines are thus formed, an ef edge between points e and f, an fh edge between points f and h, an hl line between points h and l, an lk edge between points l and k, and an ek line between points e and k, respectively. Wherein, ef sideline, fh sideline, lk sideline are the sideline, the upper portion of hl line is the sideline, the lower portion is not the sideline, the upper portion of ek line is the sideline, the lower portion is not the sideline. The fh side line is an arc line and is concave inwards towards the lower plate body of the front ruler A, wherein the h point is the vertex of the front crotch. Scales are arranged on the ef side lines, and scales are arranged on the lk side lines.
The front ruler lower plate body A and the front ruler upper plate 1A are spliced to form a trousers front piece prototype graph. After the front ruler lower plate body A and the front ruler upper plate 1 are spliced, dc side lines and ef side lines are overlapped, d points and f points are overlapped, and c points and e points are overlapped. dc and ef edges are located at the hip circumference of the prototype graph. The seam line on the formed trousers front piece prototype graph is a front ruler seam line A, obviously, the point I and the point K are symmetrically arranged relative to the front ruler seam line A, scales are arranged on the front ruler seam line A, the part, provided with the scales, of the front ruler seam line A is hollowed out, and the upper end or the upper end and the lower end of the front ruler seam line A are not broken so as to keep the continuity and the integrity of the front ruler lower plate body A and prevent the front ruler lower plate body A from being cut. The intersection point of the front ruler seam line A and the lk side line is set as the zero point of the front ruler seam line A.
It should be noted that each side line may be a straight line or a curved line, and the length and the curved radian of the side line are specifically designed according to the prototype chart of the front piece of the pants, which are techniques well known to those skilled in the art, and are not described herein.
A front ruler graduated scale L 1 Arc-shaped, two A front ruler graduated scales L 1 One of the A front ruler graduated scales L 1 One end of the first part is connected with the k point, and the other end is overhanging; another A front ruler graduated scale L 1 One end of the pipe is connected with the point I, and the other end is overhanging. A front ruler graduated scale L 1 The scale is arranged on the upper part.
The two A front ruler wing plates and the A front ruler lower plate body are positioned in the same plane. The A front ruler wing plate is trilateral, three vertexes of one A front ruler wing plate are respectively m points, k points and r points in the anticlockwise direction, the m points are positioned on the ek line, and the r points are positioned on the A front ruler graduated scale L connected with the k points 1 And (3) upper part. The three vertexes of the other A front ruler wing plate are respectively m in the anticlockwise direction 1 Point, r 1 Points and l points. m is m 1 The point is located on the hl line, r 1 A front ruler graduated scale L positioned at connecting point 1 And (3) upper part. m point and m 1 Line segment m between points 1 m is parallel to the lk edge. The k point and the L point are respectively arranged on the front ruler L of the A 1 The scale on the surface is 0cm, and the r points and r 1 The points are arranged on the respective A front ruler graduated scale L 1 The scale on the upper surface is 14cm.
The ek line has g point, n point, i point and o point, and the hl line has n point 1 Point, j point and o 1 And (5) a dot. Line segments gh, n and n between g and h points 1 Line segment nn between points 1 Line segments ij, o-point and o-point between points i and j 1 Line segment oo between points 1 Are all parallel to the lk edge. The line segment ij is a middle gear line. Line segment nn 1 The intersection point of the front ruler seam line A and the front ruler seam line A is at the position of 44 cm. The intersection point of the line segment ij and the A front ruler seam line is at the position of 42cm on the A front ruler seam line. Line segment oo 1 The intersection point of the front ruler seam line A and the front ruler seam line A is at 34cm, namely the position of the middle grade line ij which is 8cm downwards. Line segment m 1 The intersection point of the m and the A front ruler seam line is at the position of 64cm on the A front ruler seam line. The midpoint of the line segment formed by connecting the intersection point of the line segment ij and the A front straight line with the intersection point of the line segment gh and the A front straight line is the line segment m 1 And m and A.
A front ruler graduated scale L connected with k points 1 The upper part is also provided with p points and q points, and the A front ruler graduated scale L connected with the L points 1 P is also arranged on 1 Point and q 1 Point, p-Point and p 1 The points are arranged on the respective A front ruler graduated scale L 1 The scale on the scale is 2cm, q points and q 1 The points are arranged on the respective A front ruler graduated scale L 1 The scale on the upper surface is 8cm,
the middle of a line mk between the m point and the k point is hollow, and the two ends of the line mk are not hollow, wherein the line mk is a side line of the trousers front piece prototype graph. m is m 1 Line m between point and point 1 l is hollow in the middle and is not hollow at two ends, and a line m 1 And l is the edge line of the trousers front piece prototype graph. Between n and q points on the A front ruler wing plateThe middle of the line segment nq is hollow, the two ends of the line segment are not hollow, and the middle of the line segment op between the o point and the p point is hollow, and the two ends of the line segment op are not hollow. Another A front ruler wing plate is provided with n 1 Point and q 1 Line segment n between points 1 q 1 Is hollow in the middle and is not hollow at the two ends, o 1 Point and p 1 Line segment o between points 1 p 1 The middle part of the sleeve is hollow, and the two ends are not hollow. Correspondingly, m point, n point, o point and m 1 Point, n 1 Point, o 1 The dots are also hollowed out. The middle of the line segment is hollowed out, so that the pen can conveniently extend into and draw lines during drawing, and the two ends of the line segment are not hollowed out, so that the connection of the parts on the two sides of the line segment is facilitated.
Preferably, the A front ruler graduated scale L 1 The radian of (2) satisfies: a front ruler graduated scale L 1 The tangent passing through the k point is vertical to a line segment ok, the line segment ok is a line segment between the o point and the k point, the tangent passing through the p point is vertical to a line segment op, the tangent passing through the q point is vertical to a line segment nq, and the tangent passing through the r point is vertical to a line segment mr between the m point and the r point; another A front ruler graduated scale L 1 Tangent line passing through point l and line segment m 1 l is vertical and passes through p 1 Tangent to a point and line segment o 1 p 1 Perpendicular, passing through q 1 Tangent to a point and line segment n 1 q 1 Perpendicular, passing r 1 Tangent to point and point m 1 Sum point r 1 Line segment m between 1 r 1 Perpendicular.
Correspondingly, line segment m 1 m is the leg opening enlarging line of the large horn trousers, and the line segment nn 1 Is the leg opening enlarging line of the common horn trousers, the line segment ij is the crotch line and the line segment oo 1 Is a leg opening enlarging line of the small horn trousers.
A scale mark is arranged on a line segment nk between the n points and the k points, n 1 Line segment n between point and point 1 And a scale is arranged on the L.
The structure of the rear ruler plate A is similar to that of the front ruler plate A, the upper ruler plate A3 is quadrilateral, four vertexes of the upper ruler plate A are respectively an a ' point, a b ' point, a d ' point and a c ' point in the anticlockwise direction, and the a ' point is the vertex of the upper right corner of the upper ruler plate A. Four side lines are formed, namely an a 'b' side line between the a 'point and the b' point, a b'd' side line between the b 'point and the d' point, a d 'c' side line between the d 'point and the c' point, and an a 'c' side line between the a 'point and the c' point. Wherein, the d 'c' side line is provided with scales.
The A rear ruler lower plate 4 comprises an A rear ruler lower plate body, two A rear ruler wing plates and two A rear ruler graduated scales L 1 '. The rear ruler lower plate body is pentagonal, five vertexes of the rear ruler lower plate body are respectively an e 'point, an f' point, an l 'point, a k' point and a g 'point in the anticlockwise direction, wherein the e' point is the vertex of the upper right corner of the rear ruler lower plate body. Five lines are formed as an e 'f' edge between the e 'point and the f' point, an f 'l' line between the f 'point and the l' point, an l 'k' edge between the l 'point and the k' point, a g 'k' line between the g 'point and the k' point, and an e 'g' edge between the e 'point and the g' point, respectively. Wherein, the e 'f' edge, the l 'k' edge and the e 'g' edge are edges, the upper part of the f 'l' edge is an edge, the lower part is not an edge, and the upper part of the g 'k' edge is an edge, and the lower part is not an edge. The e ' g ' side line is an arc line and is concave inwards towards the lower plate body of the rear ruler A, wherein the g ' point is the top point of the rear crotch. The e 'f' side line is provided with scales, and the l 'k' side line is provided with scales.
The rear ruler lower plate body A and the rear ruler upper plate 3 are spliced to form a trousers rear piece prototype graph. The seam line on the formed trousers back piece prototype graph is a rear ruler seam line A, obviously, the point I 'and the point K' are symmetrically arranged relative to the rear ruler seam line A, scales are arranged on the rear ruler seam line A, the part, provided with the scales, of the rear ruler seam line A is hollowed, and the upper end or the upper end and the lower end of the rear ruler seam line A are not broken. Wherein the intersection point of the A rear ruler seam line and the l 'k' side line is set as the zero point of the A rear ruler seam line. After the lower plate body of the rear ruler A and the upper plate 3 of the rear ruler A are spliced, d 'c' side lines and e 'f' side lines are overlapped, d 'points and f' points are overlapped, and c 'points and e' points are overlapped. The d 'c' edge and the e 'f' edge are located at the hip circumference line position of the prototype graph.
A rear ruler graduated scale L 1 ' arc-shaped, two A rear ruler graduated scales L 1 One of the' A rear scale scales L 1 One end of the 'is connected with the k' point, and the other end is overhanging; another A rear ruler graduated scale L 1 One end of the 'is connected with the l' point, and the other end is overhanging. A rear ruler graduated scale L 1 The' is provided with a scale.
The two rear ruler wing plates and the rear ruler lower plate body are positioned in the same plane. The rear ruler wing plate A is trilateral, three vertexes of one rear ruler wing plate A are respectively m 'points, k' points and r 'points in the anticlockwise direction, the m' points are positioned on a g 'k' line, and the r 'points are positioned on a rear ruler graduated scale L connected with the k' points 1 'on'. The three vertexes of the other A rear ruler wing plate are respectively m in the anticlockwise direction 1 ' Point, r 1 Points 'and l'. m is m 1 The ' point is located on the line f ' l ', r 1 'point is located and is connected A rear scale L of L' point 1 'on'. m' point and m 1 Line segment m between' points 1 'm' is parallel to the l 'k' edge. The k 'point and the L' point are respectively arranged on the rear scale L of the A 1 The scale on 'is 0cm, the r' point and r 1 ' Point-A rear scale L 1 The scale on' is 14cm.
The g 'k' line has n 'point, i' point and o 'point, the f' l 'line has h' point and n 1 'Point, j' Point and o 1 'dot'. Line segments g ' h ', n ' and n between g ' and h ' points 1 Line segment n 'n between' points 1 Line segments i 'j', o 'points and o between the' i 'point and the j' point 1 Line segment o 'o between' points 1 The ' all are parallel to the l ' k ' side line, and the line segment i ' j ' is a middle gear line. Line segment n' n 1 The intersection point of the ' and A rear ruler seam is at the position of 44cm on the A rear ruler seam, the intersection point of the line segment i ' j ' and the A rear ruler seam is at the position of 42cm on the A rear ruler seam, and the line segment o 1 The intersection point of the ' and the A rear ruler seam is 34cm on the scale of the A rear ruler seam, namely 8cm below the middle grade line i ' j '. Line segment m 1 The intersection point of the'm' and the A back-end seam is at the position of 64cm on the A back-end seam, and the midpoint of the line segment formed by connecting the intersection point of the line segment i 'j' and the A back-end seam with the intersection point of the line segment g 'h' and the A back-end seam is the line segment m 1 Intersection of'm' and A rear seam line.
A rear ruler graduated scale L connected with k' point 1 The 'upper part is also provided with a p' point and a q 'point, and the rear ruler A is connected with the L' point 1 ' also provided with p 1 ' Point and q 1 'Point, p' Point and p 1 ' Point-A rear scale L 1 The scale on 'is 2cm, q' point and q 1 ' Point-A rear scale L 1 The scale on' is 8cm.
The middle of a line m 'k' between the m 'point and the k' point is hollow, the two ends of the line m 'k' are not hollow, and the line m 'k' is the edge line of the trousers back piece prototype graph. m is m 1 Line m between 'point and l' point 1 l is hollow in the middle and is not hollow at two ends, and a line m 1 'l' is the edge of the pant back panel prototype graph. The middle of a line segment n 'q' between an n 'point and a q' point on the rear ruler wing plate A is hollowed, two ends of the line segment n 'q' are not hollowed, and the middle of a line segment o 'p' between an o 'point and a p' point is hollowed, and two ends of the line segment o 'p' between the o 'point and the p' point are not hollowed. Another rear ruler wing plate n 1 ' Point and q 1 Line segment n between' points 1 ’q 1 ' hollow in the middle and not hollow at both ends 1 ' Point and p 1 Line segment o between' points 1 ’p 1 The middle of the' is hollowed out, and the two ends are not hollowed out. Correspondingly, m ' point, n ' point, o ' point, m 1 ' Point, n 1 ' Point, o 1 The 'dot' is also hollowed out.
A rear ruler graduated scale L 1 The radian of' is: a rear ruler graduated scale L 1 The tangent passing through the k 'point is vertical to the line m' k ', the tangent passing through the p' point is vertical to the line o 'p', the tangent passing through the q 'point is vertical to the line n' q ', and the tangent passing through the r' point is vertical to the line m 'r' between the point m 'and the point r'; another A rear ruler graduated scale L 1 'tangent to pass through point l' and line segment m 1 'l' is vertical, passing through p 1 Tangent to the' point and line segment o 1 ’p 1 ' vertical, through q 1 Tangent to the' point and line segment n 1 ’q 1 ' vertical, pass r 1 Tangent to the 'Point' and Point m 1 ' sum point r 1 Line segment m between 1 ’r 1 'vertical'.
Correspondingly, line segment m 1 ' m ' is the leg opening enlarging line of the large horn trousers, and the line segment n ' n 1 ' is the leg opening enlargement line of the common horn trousers, and the line segment i ' j ' isCrotch line, line segment o' o 1 ' is the leg opening enlargement line of the small horn pants.
A scale is arranged on a line segment n 'k' between the n 'point and the k' point, n 1 Line segment n between 'point and l' point 1 The 'l' is provided with a scale.
The B rule, as shown in fig. 2, includes a B rule front rule plate 5 and a B rule rear rule plate 6, preferably. The B-rule front rule plate 5 comprises a B-rule front rule plate body and a B-rule right-angle graduated rule L 3 Two B front ruler wing plates and two B front ruler graduated scales L 2 。
The front ruler plate body of the B ruler is pentagonal, five vertexes of the front ruler plate body are respectively a1 point, B1 point, f1 point, j1 point and i1 point in the anticlockwise direction, wherein the a1 point is the vertex of the upper right corner of the front ruler plate body. Five lines are thus formed, an a1b1 edge between points a1 and b1, a b1f1 line between points b1 and f1, an f1j1 edge between points f1 and j1, a j1i1 edge between points j1 and i1, and an a1i1 line between points a1 and i1, respectively. The a1b1 side line, the f1j1 side line and the j1i1 side line are side lines, the upper part of the b1f1 line is not a side line, the lower part is a side line, and the upper part of the a1i1 line is not a side line, and the lower part is a side line. The line B1f1 is an arc line and is concave inwards towards the front ruler plate body of the ruler B, wherein the point f1 is the vertex of the front crotch. Scales are arranged on the side lines of j1i 1.
The B-rule front ruler plate body forms a trousers front piece prototype graph, the seam lines on the formed trousers front piece prototype graph are B-rule seam lines, obviously, the j1 point and the i1 point are symmetrically arranged relative to the B-rule seam lines, scales are arranged on the B-rule seam lines, the parts provided with the scales are hollowed out, and the upper ends or the upper ends and the lower ends of the B-rule seam lines are not hollowed out so as to keep the integrity and the continuity of the B-rule front ruler plate body. The intersection point of the B front straight line and the j1i1 side line is set as the zero point of the B front straight line.
The a1i1 line also has the c1 point, the e1 point and the g1 point, the b1f1 line also has the d1 point, and the f1j1 side line also has the h1 point. The line segments d1c1 between the d1 point and the c1 point, the line segment f1e1 between the f1 point and the e1 point, the line segment h1g1 between the h1 point and the g1 point are all parallel to the j1i1 side line. The line segment h1g1 is a middle grade line, and the intersection point of the line segment h1g1 and the B front ruler seam line is at the position of 42cm on the B front ruler seam line. Line segment d1c1 is located at the hip line position of the prototype graph. The line segment g1i1 between the point g1 and the point i1 is provided with a scale, and the line segment h1j1 between the point h1 and the point j1 is provided with a scale.
The two front ruler wing plates are respectively positioned at two sides of the front ruler plate body of the B ruler, and the front ruler wing plates of the B ruler and the front ruler plate body of the B ruler are positioned in the same plane. The front ruler wing plate is trilateral, wherein three vertexes of one front ruler wing plate are respectively k in anticlockwise direction 5 The points a1 and c1, the three vertexes of the other B front ruler wing plate are respectively the point B1 and the point j in the anticlockwise direction 5 Point and d1 point. k (k) 5 Point and j 5 The point being not located on the a1b1 edge, k 5 Point and j 5 The points are respectively positioned on the extension lines on two sides of the a1b1 side line. The function of the front ruler wing plate is to adjust waistline.
Preferably, points a1 and k 5 Line segment a1k between points 5 Is 1.5cm in length, line segment a1k 5 And is also provided with k 3 Point and k 4 Points, a1 and k 3 Line segment a1k between points 3 Is 0.5cm in length, k 3 Point and k 4 Line segment k between points 3 k 4 Is 0.5cm in length, k 4 Point and k 5 Line segment k between points 4 k 5 Is 0.5cm in length. Point b1 and j 5 Line segment b1j between points 5 Is 1.5cm in length, line segment b1j 5 And j is also arranged between 3 Point and j 4 Point, point b1 and j 3 Line segment b1j between points 3 Is 0.5cm in length, j 3 Point and j 4 Line segment j between points 3 j 4 Is 0.5cm in length, j 4 Point and j 5 Line segment j between points 4 j 5 Is 0.5cm in length.
Lines a1c1, k between points a1 and c1 3 Line k between point and point c1 3 c1、k 4 Line k between point and point c1 4 c1、k 5 Line k between point and point c1 5 c1 is hollow in the middle and is not hollow at two ends. Line b1d1, j between point b1 and point d1 3 Line j between point and point d1 3 d1、j 4 Line j between point and point d1 4 d1、j 5 Line j between point and point d1 5 d1 is hollow in the middle and is not hollow at two ends.Line k 3 c1, line k 4 c1 and line k 5 c1 is an arc, and the radian change trend of the arc is similar to that of the line a1c 1. Line j 3 d1, line j 4 d1 and line j 5 d1 and the radian change trend of the line b1d1 are similar.
Two B front ruler graduated scales L 2 One B front ruler graduated scale L 2 Is connected with one end of k 5 The other end is overhanging, wherein the midpoint is k 1 Point, another B front ruler graduated scale L 2 Is connected with one end of j 5 The other end is overhanging, wherein the midpoint is j 1 And (5) a dot. Two B front ruler graduated scales L 2 Are all flush with the a1b1 edge. Preferably, the front ruler B is a graduated scale L 2 Is 2cm in length. B front ruler graduated scale L 2 The width of the waistline can be adjusted by setting.
B front ruler right angle graduated scale L 3 For connection at f1 point, a front ruler B right-angle graduated scale L 3 The device comprises two perpendicular right-angle sides, wherein one end of one right-angle side is connected with the point f1, and the right-angle side is flush with the line segment f1e 1. Preferably, the front ruler B is a right-angle graduated scale L 3 Both right-angle sides of (2) are 2cm. B front ruler right angle graduated scale L 3 Can be arranged to adjust the position of the crotch.
The front ruler plate body of the B ruler is provided with a front ruler province way which is trilateral and is open, namely the size of the province way can be selected and adjusted during drawing. The positions of the three vertexes of the front ruler province way can be adjusted. Two vertexes of three vertexes of the front ruler province way B are positioned on an a1B1 side line, and the two vertexes are symmetrically arranged relative to the front ruler straight line B. The a1B1 side line is provided with 1 point and 2 points, and the midpoint m of the line segment 12 between the 1 point and the 2 points is positioned on the B front ruler seam line. The line segment 12 is provided with scales, and the scales can be selected during drawing so as to adjust the width of the provincial road. Two vertexes of the front ruler province road are positioned on a line segment 12 containing 1 point and 2 points, and the third vertex is positioned on the front ruler seam line. Specifically, four points are arranged on the B front ruler seam line and positioned between the a1B1 side line and the line segment d1c1, and m is respectively from top to bottom 1 Point, m 2 Point, m 3 Point and m 4 The four points are hollowed out, and the third vertex of the front ruler province way B can beTo select m 1 Point, m 2 Point, m 3 Point and m 4 One of the dots for adjusting the length of the province. The three vertexes are set to be adjustable, so that the length and the width of the provincial channel can be adjusted. 1 point and m 1 Line segment 1m between points 1 Is hollow in the middle and is not hollow at two ends, 2 points and m 1 Line segment 2m between points 1 The middle part and the two ends of the ruler are not hollowed out so as to facilitate drawing and ensure the connection of the front ruler B province way and the front ruler B plate body.
The rear ruler plate 6 comprises a rear ruler plate body and a right-angle graduated scale L 3 ' two B rear ruler wing plates and two B rear ruler graduated scales L 2 ’。
The rear ruler plate body of the B ruler is pentagonal, five vertexes of the rear ruler plate body are respectively an a1 'point, a B1' point, a j1 'point, an i1' point and an e1 'point in the anticlockwise direction, wherein the a1' point is the vertex of the upper right corner of the rear ruler plate body. Five lines are formed, respectively, an a1'b1' edge between a1 'point and b1' point, a b1'j1' line between b1 'point and j1' point, a j1'i1' edge between j1 'point and i1' point, an e1'i1' edge between e1 'point and i1' point, and an a1'e1' line between a1 'point and e1' point. The upper part of the line b1'j1' is not the edge line, the lower part of the line a 1'i1' is the edge line, and the upper part of the line a1'e1' is not the edge line, and the lower part is the edge line. The line a1' e1' is an arc and is concave towards the body of the rear ruler plate of the B ruler, wherein the point e1' is the vertex of the rear crotch. Scales are arranged on the side lines of j1'i 1'.
The B-rule back ruler plate body forms a trousers back piece prototype graph, the seam lines on the formed trousers back piece prototype graph are B-rule seam lines, obviously, the j1 'point and the i1' point are symmetrically arranged relative to the B-rule seam lines, scales are arranged on the B-rule seam lines, the parts provided with the scales are hollowed out, and the upper ends or the upper ends and the lower ends of the B-rule seam lines are not hollowed out so as to keep the integrity and the continuity of the B-rule back ruler plate body. The intersection point of the B rear ruler seam line and the j1'i1' side line is set as the zero point of the B rear ruler seam line.
The line a1' e1' also has the point c1', the line e1' i1' also has the point g1', and the line b1' j1' also has the points d1', f1' and h1 '. The line segment between the d1 'point and the c1' point, the line segment between the d1'c1', the f1 'point and the e1' point, the line segment between the f1'e1', the h1 'point and the g1' point, and the line segment h1'g1' are parallel to the j1'i1' side line. The line segment h1'g1' is a middle grade line, and the intersection point of the line segment h1'g1' and the B rear ruler seam line is at the position of 42cm on the B rear ruler seam line. The line segment d1'c1' is located at the hip line position of the prototype graph. The line segment g1'i1' between the point g1 'and the point i1' is provided with a scale, and the line segment h1'j1' between the point h1 'and the point j1' is provided with a scale.
The two rear ruler wing plates are respectively positioned at two sides of the rear ruler plate body of the B ruler, and the rear ruler wing plates and the rear ruler plate body of the B ruler are positioned in the same plane. The rear ruler wing plate is trilateral, wherein three vertexes of one rear ruler wing plate are j respectively in anticlockwise direction 5 The point 'a 1' and the point c1', the three vertexes of the other rear ruler wing plate B are respectively the point B1' and the point k in the anticlockwise direction 5 Points 'and d 1'. k (k) 5 ' Point and j 5 The 'point' is not located on the a1'b1' edge, k 5 ' Point and j 5 The ' points are located on the extension lines on both sides of the a1' b1' edge, respectively. The function of the rear ruler wing plate is to adjust waistline.
a1' point and j 5 Line segment a1'j between' points 5 'has a length of 1.5cm and a line segment a1' j 5 ' there is also j between 3 ' Point and j 4 'Point, a1' Point and j 3 Line segment a1'j between' points 3 ' has a length of 0.5cm, j 3 ' Point and j 4 Line segment j between' points 3 ’j 4 ' has a length of 0.5cm, j 4 ' Point and j 5 Line segment j between' points 4 ’j 5 ' has a length of 0.5cm. Point b1' and k 5 Line segment b1'k between' points 5 'has a length of 1.5cm, segment b1' k 5 ' there is also k between 3 ' Point and k 4 'Point, b1' Point and k 3 Line segment b1'k between' points 3 ' has a length of 0.5cm, k 3 ' Point and k 4 Line segment k between' points 3 ’k 4 ' has a length of 0.5cm, k 4 ' Point and k 5 Line segment k between' points 4 ’k 5 ' has a length of 0.5cm.
a line a1' c1', j between points a1' and c1 3 Line j between points' and c1 3 ’c1’、j 4 Line j between points' and c1 4 The 'c1' is hollow in the middle and is not hollow at the two ends. Lines b1'd1', k between points b1' and d1 3 Line k between 'point and d1' point 3 ’d1’、k 4 Line k between 'point and d1' point 4 'd1' is hollow in the middle and is not hollow at two ends. Line j 3 'c1', line j 4 'c1' and line j 5 The arc change of 'c1' coincides with the arc change of line a1'c 1'. Line k 3 'd1', line k 4 'd1' and line k 5 The change in radian of'd 1' coincides with the change in radian of line b1'd 1'.
Two B rear ruler graduated scales L 2 One B rear scale L in 2 ' one end of which is connected to k 5 The other end of the beam extends in a cantilever manner, wherein the point is k 1 ' point, another B rear scale L 2 One end of' is connected to j 5 The other end of the beam is overhanging, wherein the midpoint is j 1 'dot'. Two B rear ruler graduated scales L 2 ' are all flush with the a1' b1' edge. Preferably, the rear ruler B is a graduated scale L 2 ' has a length of 2cm. B rear ruler graduated scale L 2 The' arrangement allows the width of the waist to be adjusted.
Rear ruler right angle graduated scale L 3 'connect at e1' point, B rear ruler right angle scale L 3 The 'comprises two perpendicular right-angle sides, wherein one end of one right-angle side is connected with the point e1', and the right-angle side is flush with the line segment f1'e 1'. Preferably, the rear ruler B is a right-angle graduated scale L 3 Both right-angle sides of' are 2cm. Rear ruler right angle graduated scale L 3 The' arrangement allows adjustment of the crotch position.
Two B rear ruler provinces are arranged on the B rear ruler plate body, and the B rear ruler provinces are trilateral and open provinces. The positions of the three vertexes of the back ruler province road can be adjusted. Two of the three vertices of each B-back rule province lie on the a1'B1' edge line. 3 points, 4 points, 5 points and 6 points are arranged on the a1'b1' side line, the midpoint between the 3 points and the 4 points on the a1'b1' side line is l point, and the midpoint between the 5 points and the 6 points on the a1'b1' side line is n point. The line segment 34 between the 3 point and the 4 point is provided with scales, the line segment 56 between the 5 point and the 6 point is provided with scales, and the scales can be selected during drawing so as to adjust the width of the provincial road. Eight points are respectively l1 point, l2 point, l3 point, l4 point, n1 point, n2 point, n3 point and n4 point between the a1'b1' side line and the line segment d1'c1', the l1 point, the l2 point, the l3 point and the l4 point are positioned on a straight line from top to bottom, and the n1 point, the n2 point, the n3 point and the n4 point are positioned on another straight line from top to bottom. The eight points are hollowed out and can be used for adjusting the length of the provincial channel. The middle of a line segment 3l1 between the 3 point and the l1 point is hollowed out, two ends of the line segment are not hollowed out, and the middle of a line segment 4l1 between the 4 point and the l1 point is hollowed out, and two ends of the line segment are not hollowed out. The middle of the line segment 5n1 between the 5 point and the n1 point is hollowed out, two ends are not hollowed out, and the middle of the line segment 6n1 between the 6 point and the n1 point is hollowed out, and two ends are not hollowed out.
The C ruler is shown in figure 3 and comprises a C ruler front ruler plate 7 and a C ruler rear ruler plate 8, and is preferable. The C-rule front ruler plate 7 comprises a C-rule front ruler plate body, two C-rule front ruler wing plates and two C-rule front ruler graduated scales L 4 。
The front ruler plate body of the C ruler is pentagonal, and five vertexes of the front ruler plate body are respectively a in the anticlockwise direction 2 Point, b 2 Point, f 2 Point, j 2 Point and i 2 Point, wherein a 2 The point is the vertex of its upper right corner. Five lines, a respectively, are thus formed 2 Point and b 2 A between points 2 b 2 Edge line b 2 Point sum f 2 B between points 2 f 2 Line f 2 Point and j 2 F between points 2 j 2 Edge, j 2 Point and i 2 J between points 2 i 2 Edge line, a 2 Point and i 2 A between points 2 i 2 A wire. Wherein a is 2 b 2 Edge line f 2 j 2 Edge, j 2 i 2 The side line is a side line, a 2 i 2 The upper part of the line is not a border and the lower part is a border. b 2 f 2 The line is an arc line, concave towards the C-rule front rule plate body, wherein f 2 The point is at the apex of the front crotch.j 2 i 2 Scales are arranged on the side lines.
The C-rule front ruler plate body forms a trousers front piece prototype graph which has the same size as the B-rule front ruler plate body, and the seam line on the formed trousers front piece prototype graph is a C-rule seam line, and obviously j is 2 Point and i 2 The points are symmetrically arranged relative to the straight line of the front ruler C, scales are arranged on the straight line of the front ruler C, the parts provided with the scales are hollowed out, and the upper end or the upper end and the lower end of the straight line of the front ruler C are not hollowed out. Front ruler seam line j 2 i 2 The intersection point on the side line is set as the zero point of the straight line of the front ruler C.
a 2 i 2 On-line also has c 2 Point, e 2 Point and g 2 Point b 2 f 2 D is also arranged on the line 2 Point f 2 j 2 H is also arranged on the side line 2 And (5) a dot. d, d 2 Point and c 2 Line segment d between points 2 c 2 、f 2 Point and e 2 Line segment f between points 2 e 2 、h 2 Point and g 2 Line segment h between points 2 g 2 Are all parallel to j 2 i 2 An edge line. Line segment h 2 g 2 For middle gear line, line segment h 2 g 2 The intersection point of the straight line of the front ruler and the straight line of the C is at the position of 42cm on the straight line of the front ruler. Line segment d 2 c 2 Located at the hip line position of the prototype graph. g 2 Point and i 2 Line segment g between points 2 i 2 The scale is arranged on the surface of the steel wire, h 2 Point and j 2 Line segment h between points 2 j 2 The scale is arranged on the upper part.
The two C front ruler wing plates are respectively positioned at two sides of the C front ruler plate body, and the two C front ruler wing plates and the C front ruler plate body are positioned in the same plane. The two C front ruler wing plates are a C front ruler wing plate I and a C front ruler wing plate II respectively, and the function of the C front ruler wing plate I and the C front ruler wing plate II is to adjust the hip circumference. The first front ruler wing plate is a crescent plate formed by connecting two arc-shaped side lines, and two vertexes of the crescent are respectively a 2 Point and e 2 And (5) a dot. Two end points of the maximum width of the wing plate of the front ruler C are respectively C 2 Point and k 8 Points k 8 The point is located at line segment d 2 c 2 On the extension line of c 2 Point and k 8 Line segment c between points 2 k 8 Is 1.5cm in length. Line segment c 2 k 8 Two points k on 6 Point and k 7 Point, c 2 Point and k 6 Line segment c between points 2 k 6 Is 0.5cm in length, k 6 Point and k 7 Line segment k between points 6 k 7 Is 0.5cm in length, k 7 Point and k 8 Line segment k between points 7 k 8 Is 0.5cm in length. a, a 2 Point, k 6 Point and e 2 Arc a formed by point connection 2 k 6 e 2 Is hollow in the middle and is not hollow at two ends, a 2 Point, k 7 Point and e 2 Arc a formed by point connection 2 k 7 e 2 Is hollow in the middle and is not hollow at two ends, a 2 Point, c 2 Point and e 2 The middle of the arc line formed by the point connection is hollowed, and the two ends are not disconnected. Arc a 2 k 6 e 2 Arc a 2 k 7 e 2 And arc a 2 k 8 e 2 Is smooth arc line, meets the characteristics of human buttocks, and the radian of the arc line is equal to the contour edge line a of the C-ruler front ruler plate body 2 c 2 e 2 The radian change trend is similar.
C front ruler wing plate II is a crescent-like arc-shaped plate, the radian of which is equal to b 2 Point, d 2 Point, f 2 The radian change trend of the arc formed by point connection is consistent. Two vertexes of the wing plate II of the front ruler C are respectively b 2 Point sum f 2 And (5) a dot. Two end points of the maximum width of the wing plate of the front ruler C are respectively d 2 Point and l 8 Point, l 8 The point is located at line segment d 2 c 2 On the extension line of d 2 Point and l 8 Line segment d between points 2 l 8 Is 1.5cm in length. Line segment d 2 l 8 Two points l on 6 Point and l 7 Points d 2 Point and l 6 Line segment d between points 2 l 6 Is 0.5cm in length, l 6 Point and l 7 Line segment l between points 6 l 7 Is a length of 0.5cm,l 7 point and l 8 Line segment l between points 7 l 8 Is 0.5cm in length. b 2 Point, d 2 Point sum f 2 Arc b formed by point connection 2 d 2 f 2 The middle part is hollowed out, the two ends are not hollowed out, b 2 Point, l 6 Point sum f 2 Arc b formed by point connection 2 l 6 f 2 The middle part is hollowed out, the two ends are not hollowed out, b 2 Point, l 7 Point sum f 2 Arc b formed by point connection 2 l 7 f 2 The middle is hollow, and the two ends are not hollow. Similarly, the two ends of the arc line are not hollowed out, and the middle part is hollowed out, so that b is convenient for plate making 2 Point, l 6 Point, f 2 Three points, b 2 Point, d 2 Point, f 2 Three points and b 2 Point, l 7 Point sum f 2 The points are connected by smooth arc lines, the characteristics of the front crotch of the human body are met, and the radian of the points is equal to b 2 d 2 f 2 The radian change trend is similar.
Two C front ruler graduated scales L 4 Respectively positioned at two sides of the front ruler plate body of the C ruler. Wherein, a C front ruler graduated scale L 4 Is connected with one end of k 8 The other end is overhanging, wherein the midpoint is k 2 Point, another C front ruler graduated scale L 4 One end of (1) is connected to 8 The other end is overhanging, wherein the midpoint is l 2 And (5) a dot. Two C front ruler graduated scales L 4 All sum line segment d 2 c 2 Flush. Preferably, the C front ruler graduated scale L 4 Is 2cm in length. C front ruler graduated scale L 4 The setting of (2) can adjust the hip circumference width.
The front ruler plate body of the C ruler is provided with a front ruler province channel which is trilateral and is an open province channel. The positions of the three vertexes of the front ruler province way can be adjusted. Two vertexes of three vertexes of the front ruler province way of the C are positioned at a 2 b 2 On the side line, the two vertexes are symmetrically arranged relative to the straight line of the front ruler C. a, a 2 b 2 The edge line is provided with 7 points and 8 points, and the midpoint s of the line segment 78 between the 7 points and the 8 points is positioned on the front-ruler seam line C. The line segment 78 is provided with graduations. Two vertexes of the front ruler province road are positioned on a line segment 78 containing 7 points and 8 points, the thThe three vertexes are positioned on the straight seam line of the front ruler C. Specifically, four points are arranged on the straight line of the front ruler C and positioned at a 2 b 2 Edge and line segment d 2 c 2 S is respectively from top to bottom 1 Point, s 2 Point, s 3 Point and s 4 The third vertex is selected from the four points, and the four points are hollowed out. The three vertexes are set to be adjustable, so that the length and the width of the provincial channel can be adjusted. 7 points and s 1 Line segment 7s between points 1 Is hollow in the middle and is not hollow at two ends, 8 points and s 1 Line segment 8s between points 1 The middle part and the two ends of the front ruler are not hollowed out so as to facilitate drawing and ensure connection between the front ruler and the front ruler plate body of the C-ruler.
The C-scale rear ruler plate 8 comprises a C-scale rear ruler plate body, two C-scale wing plates and two C-scale graduated scales L 4 ’。
The rear ruler plate body of the C ruler is pentagonal, and five vertexes of the rear ruler plate body are respectively a in the anticlockwise direction 2 ' Point, b 2 ' Point, j 2 ' Point, i 2 ' Point and e 2 ' Point where a 2 The' point is the vertex of its upper right corner. Five lines, respectively a 2 ' Point and b 2 A between' points 2 ’b 2 ' side line, b 2 ' Point and j 2 B between' points 2 ’j 2 ' line, j 2 ' Point and i 2 J between' points 2 ’i 2 ' edge, e 2 ' Point and i 2 E between' points 2 ’i 2 ' side line, a 2 ' Point and e 2 A between' points 2 ’e 2 'line'. Wherein a is 2 ’b 2 ' edge, j 2 ’i 2 ' edge, e 2 ’i 2 ' edge is edge, b 2 ’j 2 The upper part of the' line is not a border and the lower part is a border. a, a 2 ’e 2 The 'line' is an arc, concave inward toward the C-rule back plate body, where e 2 The' point is at the apex of the crotch. j (j) 2 ’i 2 The' side line is provided with scales.
C ruler back ruler plate body forms a trousers back piece prototype graph to formThe seam line on the prototype graph of the back piece of the trousers is a C-shaped seam line, and obviously j 2 ' Point and i 2 The' point is symmetrically arranged relative to the C-shaped back ruler seam line, scales are arranged on the C-shaped back ruler seam line, the part provided with the scales is hollowed out, and the upper end or the upper end and the lower end of the C-shaped back ruler seam line are not hollowed out. C rear ruler seam line and j 2 i 2 The intersection point on the side line is set as the zero point of the straight line of the rear ruler C.
a 2 ’e 2 ' there is also c on the line 2 ' Point, e 2 ’i 2 ' edge also g 2 ' Point, b 2 ’j 2 ' there is also d on the line 2 ' Point, f 2 ' Point, h 2 'dot'. d, d 2 ' Point and c 2 Line segment d between' points 2 ’c 2 ’、f 2 ' Point and e 2 Line segment f between' points 2 ’e 2 ’、h 2 ' Point and g 2 Line segment h between' points 2 ’g 2 ' all parallel to j 2 ’i 2 ' edge. Line segment h 2 ’g 2 ' is a middle gear line, line segment h 2 ’g 2 The intersection point of the' and the C rear ruler seam line is at the position of 42cm on the C rear ruler seam line. Line segment d 2 ’c 2 ' located at the hip circumference of the prototype graph. g 2 ' Point and i 2 Line segment g between' points 2 ’i 2 ' on which scale is arranged, h 2 ' Point and j 2 Line segment h between' points 2 ’j 2 The' is provided with a scale.
The two C rear ruler wing plates are respectively positioned at two sides of the C rear ruler plate body, and the two C rear ruler wing plates and the C rear ruler plate body are positioned in the same plane. The two C rear ruler wing plates are a C rear ruler wing plate I and a C rear ruler wing plate II respectively, and the function of the C rear ruler wing plate I and the C rear ruler wing plate II is to adjust the hip circumference. The rear ruler wing plate I is a crescent plate formed by connecting two arc-shaped side lines, and two vertexes of the crescent are respectively b 2 ' Point and f 2 'dot'. Two end points of the maximum width of the rear ruler wing plate are d respectively 2 ' Point and l 8 ' Point, l 8 ' Point location line segment d 2 ’c 2 ' sOn the extension line d 2 ' Point and l 8 Line segment d between' points 2 ’l 8 ' has a length of 1.5cm. Line segment d 2 ’l 8 Two points on' l 6 ' Point and l 7 ' Point, d 2 ' Point and l 6 Line segment d between' points 2 ’l 6 ' has a length of 0.5cm, l 6 ' Point and l 7 Line segment l between' points 6 ’l 7 ' has a length of 0.5cm, l 7 ' Point and l 8 Line segment l between' points 7 ’l 8 ' has a length of 0.5cm. b 2 ' Point, d 2 ' Point and f 2 Arc b formed by' point connection 2 ’d 2 ’f 2 ' hollow in the middle and not hollow at two ends, b 2 ' Point, l 6 ' Point and f 2 Arc b formed by' point connection 2 ’l 6 ’f 2 ' hollow in the middle and not hollow at two ends, b 2 ' Point, l 7 ' Point and f 2 Arc b formed by' point connection 2 ’l 7 ’f 2 The middle part is hollow, and the two ends are not hollow. The two ends of the arc line are not hollowed out, and the middle part is hollowed out, so that b is carried out when plate making 2 ' Point, l 6 ' Point, f 2 ' three points, b 2 ' Point, d 2 ' Point, f 2 ' Point three Point and b 2 ' Point, l 7 ' Point and f 2 The 'points are connected by smooth arcs to meet the characteristics of human buttocks, and the radian of the' points is equal to that of the b 2 ’d 2 ’f 2 The radian variation trend is similar.
C rear ruler wing plate II is a crescent-like arc-shaped plate, and the radian and a of the arc-shaped plate II are equal to those of a 2 ' Point, c 2 ' Point, e 2 The arc formed by the 'point connection' has consistent radian variation trend. Two vertexes of the wing plate II of the rear ruler are respectively a 2 ' Point and e 2 'dot'. Two endpoints of the maximum width of the wing plate of the rear ruler C are respectively C 2 ' Point and k 8 ' Point, k 8 ' Point location line segment d 2 ’c 2 On the extension line of 2 ' Point and k 8 Line segment c between' points 2 ’k 8 ' has a length of 1.5cm. Line segment c 2 ’k 8 Two points k on 6 ' Point and k 7 ' Point, c 2 ' Point and k 6 Line segment c between' points 2 ’k 6 ' has a length of 0.5cm, k 6 ' Point and k 7 Line segment k between' points 6 ’k 7 ' has a length of 0.5cm, k 7 ' Point and k 8 Line segment k between' points 7 ’k 8 ' has a length of 0.5cm. a, a 2 ' Point, k 6 ' Point and e 2 Arc a formed by' point connection 2 ’k 6 ’e 2 ' hollow in the middle and not hollow at two ends, a 2 ' Point, k 7 ' Point and e 2 Arc a formed by' point connection 2 ’k 7 ’e 2 ' hollow in the middle and not hollow at two ends, a 2 ' Point, c 2 ' Point and e 2 The middle of the arc formed by the' point connection is hollowed, and the two ends are not disconnected. Arc a 2 ’k 6 ’e 2 ' arc a 2 ’k 7 ’e 2 ' sum arc a 2 ’k 8 e 2 ' is a smooth arc and meets the characteristic of the back crotch of the human body.
Two C rear ruler graduated scales L 4 ' are respectively positioned at two sides of the rear ruler plate body of the C ruler. Wherein, a C rear ruler graduated scale L 4 ' one end of which is connected to k 8 The other end of the beam extends in a cantilever manner, wherein the point is k 2 ' Point, another C rear scale L 4 One end of' is connected with 8 The other end of the arm extends in a cantilever manner, wherein the middle point is l 2 'dot'. Two C rear ruler graduated scales L 4 ' average sum line segment d 2 ’c 2 'flush'. Preferably, the rear scale L is a rear scale 4 ' has a length of 2cm. C rear ruler graduated scale L 4 The' setting can adjust the hip circumference width.
Two C rear ruler provinces are arranged on the C rear ruler plate body, and the C rear ruler provinces are trilateral and open provinces. The positions of the three vertexes of the back ruler province road can be adjusted. Two of the three vertices of each C-back rule province are located at a 2 ’b 2 On the' border. a, a 2 ’b 2 The' side line is provided with 9 points, 10 points, 11 points and 12 points，a 2 ’b 2 The midpoint between 9 and 10 points on the 'edge line is s' point, a 2 ’b 2 The midpoint between points 11 and 12 on the' edge line is the point t. The line segment 910 before the 9 point and the 10 point is provided with scales, the line segment 1112 between the 11 point and the 12 point is provided with scales, and the scales can be selected to adjust the width of the provincial road. a, a 2 ’b 2 ' edge and line segment d 2 ’c 2 Eight points are respectively s '1 point, s'2 point, s '3 point, s'4 point, t1 point, t2 point, t3 point and t4 point, the s '1 point, s'2 point, s '3 point and s'4 point are positioned on a straight line from top to bottom, and the t1 point, t2 point, t3 point and t4 point are positioned on another straight line from top to bottom. The eight points are hollowed out and can be used for adjusting the length of the provincial channel. The middle of the line segment 9s '1 between the 9 point and the s'1 point is hollowed out, two ends are not hollowed out, and the middle of the line segment 10s '1 between the 10 point and the s'1 point is hollowed out, two ends are not hollowed out. The middle of a line segment 11t1 between the 11 point and the t1 point is hollowed out, two ends are not hollowed out, and the middle of a line segment 12t1 between the 12 point and the t1 point is hollowed out, and two ends are not hollowed out.
Based on the above structure, the principle or method of use of the set rule is exemplified as follows.
1) And designing a model of the horn trousers, wherein the horn trousers are 1cm longer than the crotch of the prototype trousers, and the trousers mouth is 16cm wider than the prototype trousers mouth.
The A ruler is adopted in the situation. The drawing steps are as follows:
step a1: and drawing ab side lines, ac side lines, bd side lines and dc side lines on the paper pattern by using the front ruler upper plate 1A.
The step is to draw the outline of the upper plate 1 of the front ruler A. The ab side line is the front waist line of the trousers, the ac side line is the front upper side stitching line ac, the bd side line is the front crotch curve, and the dc side line is the hip line.
Step a2: and (c) placing the lower A front ruler plate 2 below the graph drawn in the step (a 1) so that the drawn dc side line is parallel to the ef side line of the lower A front ruler plate 2, wherein the distance between the dc side line and the ef side line is 1cm, and the straight line between the straight line A front ruler seam line on the upper A front ruler plate 1 and the straight line A front ruler seam line on the lower A front ruler plate 2.
In this step, the position 1cm below the dc edge is measured and marked, preferably, the measured dc edge with graduations of the upper plate 1 of the front ruler A is used, and then the edge of the lower plate 2 of the front ruler A is aligned with the marking line.
Step a3: drawing an ef side line, an fh side line, an h point and n by using the A front ruler lower plate 2 1 Line hn between points 1 、n 1 Point and q 1 Line segment n between points 1 q 1 Line segment nq, q between point e and point n, between point n and point q 1 Line q between points q 1 q, the point d and the point f are connected in a smooth manner, and the point c and the point e are connected in a smooth manner.
Wherein, the ef side line is a hip circumference line, the fh side line is a small gantry arc line, and the line hn 1 And line segment n 1 q 1 The connected fold line is the front inner suture hn 1 q 1 The broken line egmnq formed by connecting the line en and the line nq is the front side suture, and the line q 1 q is the front foot mouth line, connected with q 1 q line time, conform to A front ruler scale L 1 Is a straight arc.
And (3) finishing the steps a1 to a3, namely drawing the front piece with the required size.
Step a4: and drawing an a 'b' side line, an a 'c' side line, a b'd' side line and a d 'c' side line on the paper pattern by using the A rear ruler upper plate 3.
The step is to draw the outline of the A rear ruler upper plate 3. Wherein, the a 'b' side line is the back waist line of trousers, the a 'c' side line is the back crotch curve, the b'd' side line is the back upper side suture, and the d 'c' side line is the back hip line.
Step a5: and (c) placing the lower A rear ruler plate 4 below the graph drawn in the step (a 4) so that the drawn d 'c' side line is parallel to the e 'f' side line of the lower A rear ruler plate 4, the distance between the d 'c' side line and the e 'f' side line is 1cm, and the seam line of the rear ruler on the upper A rear ruler plate 3 and the seam line of the rear ruler on the lower A rear ruler plate 4 are on the same straight line.
In this step, the position 1cm below the d 'c' edge is measured and marked, preferably by using the d 'c' edge with graduations of the upper plate 3 of the rear ruler A, and then the e 'f' edge of the lower plate 4 of the rear ruler A is aligned with the marking line.
Step a6: drawing an e 'f' edge line and an e 'g' edge by using the rear ruler lower plate 4Line g ' n ', line segment n ' q ', f ' and n between line g ' and n ' points 1 Line f 'n between' points 1 ' line segment n 1 ’q 1 ’、q 1 Line q between 'point and q' point 1 And (c) connecting the point d ' and the point f ' in a sliding way, and connecting the point c ' and the point e in a sliding way.
Wherein the edge line e ' f ' is a hip circumference line, the line e ' g ' is a back crotch curve line, and the broken line g ' n ' q ' formed by connecting the line g ' n ' and the line segment n ' q ' is a back inner seam 1 ' sum line segment n 1 ’q 1 ' connected fold line f ' h ' n 1 ’q 1 'is a posterior suture, line q' q 1 'is the rear foot mouth line, connecting line q' q 1 ' in compliance with A front ruler scale L 1 Is a straight arc.
And (3) finishing the steps a4 to a6, namely drawing the rear panel with the required size.
2) A model of the conical trousers is designed, the conical trousers are 2cm wider than the waistline of the prototype trousers, the crotch line is 1.5cm downwards than the prototype trousers, and the leg openings are 8cm smaller than the leg openings of the prototype trousers.
This case employs a B ruler. The drawing steps are as follows:
step b1: drawing j on the pattern with the B-rule front ruler 5 3 Point and k 3 Line segment j between points 3 k 3 、j 3 Line j between point and point d1 3 d1、k 3 Line k between point and point c1 3 c1。
In this step, segment j 3 k 3 Is the front waist line, line k of trousers 3 c1 is the front middle part of the front crotch of the trousers, line j 3 d1 is the side seam portion of the front crotch of the pant.
Step b2: right-angle graduated scale L using front ruler B 3 And drawing a point f3, wherein the point f3 is positioned below the line segment f1e1, and the distance between the point f3 and the straight line where the line segment f1e1 is positioned is 1.5cm.
In this step, the front ruler L is used for a right-angle graduated scale 3 The right-angle side perpendicular to the line segment f1e1 is measured and marked with the f3 point.
Step b3: and marking and drawing a new leg opening line j4i4 by using the edge line j1i1, so that the leg opening corresponding to the line j4i4 is 8cm smaller than the original trouser leg opening.
In the step, scales are arranged on the side line of the j1i1, so that a new foot opening line j4i4 can be conveniently and rapidly drawn.
Step b4: drawing front inner side suture f3h1j4 and front outer side suture k by using B ruler front ruler plate 5 3 c1e1g1i4。
In the step, the f3 point, the h1 point and the j4 point are sequentially and smoothly connected and drawn into a front inner side suture f3h1j4, and k is calculated 3 The points c1, e1, g1 and i4 are sequentially and smoothly connected and drawn into a front-outer suture k 3 c1e1g1i4。
And b1, finishing the steps b4, namely drawing the front piece with the required size.
Step b5: drawing j on the pattern with the B-rule rear ruler 6 3 ' Point and k 3 Line segment j between' points 3 ’k 3 ’、j 3 Line segment j between 'point and c1' point 3 ’c1’、k 3 Line segment k between 'point and d1' point 3 ’d1’。
In this step, segment j 3 ’k 3 ' is the rear waistline of trousers, line segment j 3 'c1' is the rear middle part, k of the trousers 3 'd1' is the rear side seam portion of the pants.
Step b6: right angle scale L using rear scale B 3 The point e3' is drawn, the point e3' is positioned below the line segment f1' e1', and the distance between the point e3' and the straight line where the line segment f1' e1' is positioned is 1.5cm.
In this step, the rear ruler right-angle graduated scale L is used 3 'the right-angle side perpendicular to the line segment f1' e1 'is measured and marked as the e3' point.
Step b7: the new leg opening line j4'i4' is marked and drawn by the edge line j1'i 1'.
In the step, scales are arranged on the side line of j1'i1', so that a new foot opening line j4'i4' can be conveniently and rapidly drawn.
Step b8: drawing a rear inner side suture e3' g1' i4' and a rear outer side suture k by using a rear ruler plate 6 of the B ruler 3 ’d1’f1’h1’j4’。
Will e3Sequentially and smoothly connecting the 'point, the g1' point and the i4 'point to draw an inner side suture e3' g1'i4', and drawing k 3 The ' point, the d1' point, the f1' point, the h1' point and the j4' point are sequentially connected to form a rear outer side suture k 3 ’d1’f1’h1’j4’。
And b 5-b 8, drawing the rear panel with the required size.
3) A layout of a pair of jeans is designed, which is 2cm wider than the hip circumference of the prototype pant and 2cm longer than the prototype pant.
This case uses a C-scale. The drawing steps are as follows:
step c1: drawing a with the C-rule front ruler plate 7 2 b 2 Edge, j 2 i 2 Drawing line segment j below the side line 3 i 3 Make line segment j 3 i 3 Parallel to j 2 i 2 Edge and line segment j 3 i 3 And j 2 i 2 The distance of the edge is 2cm.
In this step, a 2 b 2 The side line is the front waist line of the trousers. Marking out j 2 i 2 Side line and passing through j of the C-rule front rule 7 2 i 2 Side line scale measuring and marking j 2 i 2 Marking j by a distance of 2cm below the edge 3 Point and i 3 Point, last connect j 3 Point and i 3 And (5) a dot. Line segment j 3 i 3 Is a new foot line.
Step c2: a is fixed by a C ruler front ruler plate 7 2 Point, k 6 Point, e 2 Point, g 2 Point, i 3 The points are connected in turn, b 2 Point, l 6 Point, f 2 Point, h 2 Point, j 3 The dots are connected in sequence.
In this step, a 2 Point, k 6 Point, e 2 Point, g 2 Point, i 3 A formed by connecting points 2 k 6 e 2 g 2 i 3 The thread being the anterior suture a 2 k 6 e 2 g 2 i 3 Will b 2 Point, l 6 Point, f 2 B formed by sequentially connecting points 2 l 6 f 2 The line is the front crotch bend, will f 2 Point, h 2 Point, j 3 F formed by sequentially connecting points 2 h 2 j 3 The thread is an anterior internal suture.
And c 1-c 2, namely drawing the front piece with the required size.
Step c3: drawing a with the C-ruler rear ruler plate 8 2 ’b 2 ' edge, j 2 ’i 2 Drawing line segment j below' edge line 3 ’i 3 ' let line segment j 3 ’i 3 ' parallel to j 2 ’i 2 ' edge and line segment j 3 ’i 3 ' and j 2 ’i 2 The distance of the' edge is 2cm.
In this step, a 2 ’b 2 The' side line is the back waist line of the trousers. Marking out j 2 ’i 2 ' side line, and through j of the C-rule rear ruler plate 8 2 ’i 2 ' side mark scale measuring and marking j 2 ’i 2 Marking j by a distance of 2cm below the' edge 3 ' Point and i 3 ' Point, last connection j 3 ' Point and i 3 'dot'. Line segment j 3 ’i 3 ' is a new foot mouth line.
Step c4: a is fixed by a rear ruler plate 8 of the C ruler 2 ' Point, k 6 ' Point, e 2 ' Point, g 2 ' Point, i 3 'connecting the points in turn, connecting b2' and l 6 ’、f 2 ' Point, h 2 ' Point, j 3 The' points are connected in turn.
In this step, b 2 ' Point, l 6 ’、f 2 ' Point, h 2 ' Point, j 3 ' b formed by connecting points 2 ’l 6 ’f 2 ’h 2 ’j 3 ' the thread is a posterior suture, will e 2 ' Point, g 2 ' Point, i 3 ' e formed by sequentially connecting points 2 ’g 2 ’i 3 ' the thread is the posterior endosuture, will a 2 ' Point, k 6 ' Point, e 2 ' points are connected to form a 2 ’k 6 ’e 2 ' is the crotch back curve.
And c 3-c 4, drawing the rear panel with the required size.
Finally, what is necessary here is: the above embodiments are only for further detailed description of the technical solutions of the present invention, and should not be construed as limiting the scope of the present invention, and some insubstantial modifications and adjustments made by those skilled in the art from the above description of the present invention are all within the scope of the present invention.

Claims (7)

1. A trousers plate type sleeve ruler is characterized by comprising an A ruler, a B ruler and a C ruler, wherein the A ruler is used for manufacturing patterns with different crotch lengths by independently and separately arranging crotch parts, and the A ruler is used for manufacturing patterns of trousers with different foot opening circumferences by arranging graduated scales on two sides of a foot opening; the ruler B is used for manufacturing the patterns of trousers with different waistlines by arranging graduated scales on two sides of the waistline, and the ruler B is used for manufacturing the patterns with different crotch lengths by arranging right-angle squares on the top of the crotch; the C ruler is used for manufacturing a layout of trousers with different hip circumferences by arranging graduated scales on two sides of the hip circumference;
the A ruler comprises two A ruler plates, each A ruler plate comprises an A ruler plate body and two A graduated scales, the outline of the A ruler plate body is a trousers prototype graph, scales are arranged on the A graduated scales, the A graduated scales are arc-shaped, the two A graduated scales and the A ruler plate body are positioned in the same plane, one end of one A graduated scale is connected with one end point of a trouser leg opening of the A ruler plate body, the other end of the A graduated scale is overhanging, and one end of the other A graduated scale is connected with the other end point of the trouser leg opening of the A ruler plate body, and the other end of the other A graduated scale is overhanging;
each A ruler plate further comprises two A wing plates, the two A wing plates and the A ruler plate body are located in the same plane, the two A wing plates are located at two sides of the A ruler plate body respectively, a plurality of line segments are arranged on each A wing plate, two endpoints of each line segment are located on one A graduated scale and the A ruler plate body respectively, the middle of each line segment is hollow, the two ends of each line segment are not hollow, the plurality of line segments on one A wing plate are symmetrical to the plurality of line segments on the other A wing plate relative to seam lines on the A ruler plate body respectively, and horn-shaped trouser legs with different opening sizes of trousers are drawn along different line segments;
The two ruler plates of the A ruler are an A ruler front ruler plate and an A ruler rear ruler plate respectively, the A ruler front ruler plate comprises an A front ruler upper plate (1) and an A front ruler lower plate (2), the A front ruler lower plate (2) comprises an A front ruler lower plate body, the A front ruler lower plate body and the A front ruler upper plate (1) are spliced to form a trousers front piece prototype graph, the A ruler rear ruler plate comprises an A rear ruler upper plate (3) and an A rear ruler lower plate (4), the A rear ruler lower plate (4) comprises an A rear ruler lower plate body, and the A rear ruler lower plate body and the A rear ruler upper plate (3) are spliced to form a trousers rear piece prototype graph;
the overlapping position of the upper plate and the lower plate after splicing is the hip circumference line position of the prototype graph.
2. The set of rules according to claim 1, wherein the B rule comprises two B rule plates, each B rule plate comprises a B rule plate body, two B rule wing plates and two B rule dividing rules one, the outline of the B rule plate body is a trousers prototype graph, the B rule plate body, the two B rule wing plates and the two B rule dividing rules one are located on the same plane, the two B rule wing plates are respectively located on two sides of the B rule plate body, a plurality of lines are arranged on the B rule wing plates, one end point of the plurality of lines on one B rule wing plate is located on one end point of the hip enclosing line on the B rule plate body, the other end point of the plurality of lines on the other B rule wing plate is located on the other end point of the hip enclosing line on the B rule plate body, the other end point of the plurality of lines is located on the extending line of the waist enclosing line of the B rule plate body, the middle hollow parts and the two ends of the lines on the B rule wing plates are not hollow, one end point of the plurality of lines is located along the waist enclosing line of the B rule body, the B rule body and the B dividing rules of different large and small lines are located between the two B rule body and the B dividing rules one B dividing rules body.
3. The kit of claim 2, wherein the B ruler further comprises a B ruler scale two comprising two perpendicular right angle sides, wherein one end of one right angle side is connected to the crotch vertex of the B ruler plate body and the right angle side is parallel to the hip circumference line.
4. A set of rules according to claim 2 or 3, characterized in that the two B rule plates are a B rule front rule plate (5) and a B rule rear rule plate (6), respectively, the B rule plate body of the B rule front rule plate (5) is a B rule front rule plate body, the B rule front rule plate body forms a pant front piece prototype graph, the B rule plate body of the B rule rear rule plate (6) is a B rule rear rule plate body, and the B rule rear rule plate body forms a pant rear piece prototype graph.
5. The set of rules according to claim 1, wherein the C-rule comprises two C-rule plates, each C-rule plate comprises a C-rule plate body and two C-rule wing plates, the C-rule plate body is contoured as a pants prototype, the C-rule plate body and the two C-rule wing plates are located in the same plane, the two C-rule wing plates are located at two sides of the C-rule plate body, the C-rule wing plates are provided with a plurality of curves, one end of each of the plurality of curves on one C-rule wing plate is one end point of a waist girth line of the C-rule plate body, the other end of each of the plurality of curves on the other C-rule wing plate is one end point of a crotch line, the other end of each of the plurality of curves on the other C-rule wing plate is the other end point of a waist girth line, the other end point of the crotch line is the other end point of the crotch line, the crotch line is parallel with the hip girth line on the C-rule plate body, one vertex of the crotch line is the crotch vertex, the middle of the plurality of curves are hollowed out, and two sides of the curves are not hollowed out, and pants of different girth sizes are drawn along different curves.
6. The set of rules of claim 5, wherein each C-rule plate further comprises two C-rule scales, the two C-rule scales and the C-rule plate body being in the same plane, the two C-rule scales and the hip line on the C-rule plate body being flush, one C-rule wing plate being between the C-rule plate body and one C-rule scale, the other C-rule wing plate being between the C-rule plate body and the other C-rule scale.
7. The set of rules according to claim 5 or 6, characterized in that the two C-rule plates are a C-rule front rule plate (7) and a C-rule rear rule plate (8), respectively, the C-rule plate body of the C-rule front rule plate (7) is a C-rule front rule plate body, the C-rule front rule plate body forms a pant front piece prototype graph, the C-rule plate body of the C-rule rear rule plate (8) is a C-rule rear rule plate body, and the C-rule rear rule plate body forms a pant rear piece prototype graph.
CN202210013287.6A 2022-01-07 2022-01-07 Trousers edition type ruler set Active CN114259100B (en)

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