CN105082860A - Rapid manufacturing method for 3D mini-portrait - Google Patents
Rapid manufacturing method for 3D mini-portrait Download PDFInfo
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- CN105082860A CN105082860A CN201510405401.XA CN201510405401A CN105082860A CN 105082860 A CN105082860 A CN 105082860A CN 201510405401 A CN201510405401 A CN 201510405401A CN 105082860 A CN105082860 A CN 105082860A
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Abstract
The invention provides a rapid manufacturing method for a 3D mini-portrait. The rapid manufacturing method for the 3D mini-portrait includes the steps that firstly, scanning parameters of a handheld depth camera 3D scanner are set, and preparation before scanning is made; secondly, human body face scanning is conducted; thirdly, body scanning is conducted; fourthly, model trimming and surface patching are conducted; fifthly, reverse summation and calculation are conducted on space coordinate data of the human body face and the body surface through depth calculation, and figure 3D virtual data are acquired; and sixthly, the mini-portrait is manufactured and formed through the 3D printing technology. According to the rapid manufacturing method for the 3D mini-portrait, the forming steps of the portrait are greatly simplified, complex operation such as mold constructing, mold sinking and mold turning or mechanical or manual engraving is avoided, and digitized information can be perfectly printed into the physical portrait through a 3D printer.
Description
Technical field
The present invention relates to 3D printing technique field, particularly relate to a kind of mini 3D portrait fast method for preparing.
Background technology
Statue, especially figure sculpture are the democratic art product that can show a Social Culture breath.Stand in face of statue, do not worry language obstacle, be not more afraid of its meeting speech and injure you.Dumb statue, in fact can tell you a lot of thing, moulding by author, you can imagine the epoch that it is lived, " listening " it tell past event and history.
But no matter personal portrait sculpture is at home or abroad, modern times or ancient times, be all often that noble, hero, leader, legendary figure etc. just can have, image-stone picture, bronze statue, waxen imagen etc. all involve great expense, and ordinary people or one are difficult to the aspect of touching.Among the people, the skill such as dough figurine, clay figurine, sugar picture can by portrait with low-cost type, but the skill set requirements of this technique to operator is high, be not difficult to portraiture is exquisite, accurate through long-term training, and the technology of this several folk art is often only grasped by a few peoples, be difficult to spread.
We are by 3-D scanning technology and 3D printing technique for this reason, have invented a kind of mini 3D portrait fast method for preparing completely newly, have solved above technical problem.
Summary of the invention
The object of this invention is to provide a kind of can by the method for 3D printing technique by mini 3D portrait quick Fabrication shaping for mini portraiture.
Object of the present invention realizes by following technical measures: mini 3D portrait fast method for preparing, and this mini 3D portrait fast method for preparing comprises: step 1, arranges the sweep parameter of hand-held depth camera 3D scanner, carries out scanning front preparation; Step 2, carries out human body face scanning; Step 3, carries out the scanning of health; Step 4, carries out cutting and benefit face of model; Step 5, by depth calculation, carries out anti-read group total by the spatial data of human body face and body surface, obtains figure image 3D virtual data; And step 6, by 3D printing technique by shaping for mini portraiture.
Object of the present invention also realizes by following technical measures:
Step 1 also comprises, and irradiates harmless infrared light by low-light infrared lens to scanning entity; Then utilize vision lens, degree of depth camera lens, form three-dimensional mathematical model from the physical relation of point-line-surface; Scanning from the front part of model prepares.
In step 2, then zoomed out gradually a bit nearby by face, above move and scan the forehead crown, draw a great circle in front clockwise, scan the left face of model, left ear, lower-left jaw, chin, bottom right jaw, right face auris dextra successively, terminate to this facial scan.
In step 3, along auris dextra after auris dextra, right back brain, right back shoulder, and then take on to the right outside, right front chest, shirtfront, neck front, left front chest, left shoulder, left scapuloposterior (LScP), back, collare, hindbrain, the crown order scan successively.
In step 4, operation is cut to head portrait model, the redundance of head portrait is removed; Model after cutting is closed, the structure of the leak of model and open type is eliminated.
In steps of 5, the spectral information collected is converted to virtual 3d space coordinate, by the mode collection space coordinate of a cloud, reverse goes out by the 3D virtual data of scanning entity.
Step 5 also comprises, and carries out the careful finishing of model; When final portrait model is multiple assembly split, first merged into an object, and carried out weight topology, the model after merging is carried out the operation of weight topology, to eliminate interspersed structure, to beautify model wiring; Reverse goes out by the 3D virtual data of scanning entity again.
In step 6, adjustment model size is to the size needing to print, and adjustment object prints posture, model is moved to Platform center, and is placed on print platform; Printing floor height, wall thickness, filling proportion, heating-up temperature, these parameters of print speed of adjustment printer, and arrange the need of interpolation support and base; 3D printer is adopted to start to print; After printing terminates, model is taken off from printer print platform, the base of model, supporting construction are removed.
Mini 3D portrait fast method for preparing of the present invention is by hand-held depth camera 3D scanner technology, by scanner, entity space is scanned, pass through depth calculation, the spatial data of personage's head and body surface is carried out reverse, through scanning software, data are calculated again, obtain figure image 3D virtual data, relend and help 3D printing technique by shaping for mini portraiture.3D scanner can obtain character face's data accurately; other techniques can be avoided the rigors of operator's fine arts grounding in basic skills, skill proficiency; allow ordinary people just can complete accurate portrait information scanning after simple training; and step shaping for portrait does one's utmost to simplify by 3D printing technique especially; avoid and build mould die sinking and turn over mould or the complicated operation such as machine or hand engraving, digital information just can be perfectly printed as entity portrait by 3D printer oneself.
Accompanying drawing explanation
Fig. 1 is the flow chart of a specific embodiment of mini 3D portrait fast method for preparing of the present invention;
Fig. 2 is the process chart of a specific embodiment of mini 3D portrait fast method for preparing of the present invention.
Detailed description of the invention
For making above-mentioned purpose of the present invention, feature and advantage become apparent, cited below particularly go out preferred embodiment, and coordinate shown in accompanying drawing, be described in detail below.
In step 101, carry out scanning front preparation.Adopt hand-held depth camera 3D scanner to scan entity space, set the sweep parameter of needs.Harmless infrared light is irradiated to scanning entity by low-light infrared lens.Then utilize vision lens, degree of depth camera lens, form three-dimensional mathematical model from the physical relation of point-line-surface, scanning from the front part of model prepares.
In step 102, carry out human body face scanning.Then zoomed out gradually a bit nearby by face, above move and scan the forehead crown, draw a great circle in front clockwise.Scan the left face of model, left ear, lower-left jaw, chin, bottom right jaw, right face auris dextra successively, just scanned out to this face.
In step 103, carry out the scanning of health.Along auris dextra after auris dextra, right back brain, right back shoulder, and then take on to the right outside, right front chest, shirtfront, neck front, left front chest, left shoulder, left scapuloposterior (LScP), back, collare, hindbrain, the crown, order scan successively.
In step 104, carry out cutting and benefit face of model.Operation is cut to head portrait model, the redundance of head portrait is removed.Model after cutting is closed, the structure of the leak of model and open type is eliminated.
In step 105, by depth calculation, the spatial data of personage's head and body surface is carried out reverse, then through scanning software, data is calculated, obtain figure image 3D virtual data.In one embodiment, information is imported in computer software, and the spectral information collected is converted to virtual 3d space coordinate by computer, then by the space coordinates that the mode of some cloud will be collected, reverse goes out by the virtual 3d model data of scanning entity in software.
In one embodiment, obtaining after by the virtual 3d model data of scanning entity, carry out the careful finishing of model, if final portrait model is multiple assembly splits, first merged into an object, and carry out weight topology, the model after merging is carried out the operation of weight topology, to eliminate interspersed structure, to beautify model wiring.Afterwards, reverse goes out by the virtual 3d model data of scanning entity again.
In step 106, by 3D printing technique by shaping for mini portraiture.After simple model treatment and art are processed, 3D printer just can be utilized to be printed by the data model of model become the model portrait of entity.In one embodiment, adjustment model size, to the size needing to print, uses throw adjustment object to print posture, uses Move tool that model is moved to Platform center, and be placed on print platform.The parameter such as printing floor height, wall thickness, filling proportion, heating-up temperature, print speed of adjustment printer, and arrange the need of interpolation support and base.Printer starts preheating, starts to print.After printing terminates, model is taken off from printer print platform, use the instrument such as cutting nippers, graver the base of model, supporting construction to be removed.
In an application specific embodiment of the present invention, as shown in Figure 2, Fig. 2 is the process chart of a specific embodiment of mini 3D portrait fast method for preparing of the present invention, includes following steps:
1. 3D scanner is linked to computer, open scanning software, sweep parameter is set, scans with applicable portrait.
2. aim at target circle cursor by the face of scanning person, scanner is vertical with face, and central point, in nose position, starts scanning, starts scanning after 3 reciprocal sec timing terminate.
3. first outwards slowly drawn a circle by center in facial positions, then be moved to the left, scanning personage auris dextra piece, movement of turning right downwards, scanning personage chin, until left ear, then continues translation scan to the right, scanning hindbrain and health back, until the auris dextra back side, transfer to and moving up, the scanning personage crown.
4., overhead after the end of scan, rock scanner fast, interrupt scanning, keypad enter key starts model editing.
5. use cuts instrument and cuts operation to head portrait model, is removed by the redundance of head portrait.
6. use hypostazation order to be closed by the model after cutting, the structure of the leak of model and open type is eliminated.
7. click preservation in software, the scanning dummy after process is saved as " .obj " form.
8. the file of " .obj " form exported is imported to model treatment software, use 3D paintbrush repair model and carve, allow portrait model reach optimum efficiency, if necessary, base, jewellery or other accessories can be added for model, increase the degree of viewing and admiring of portrait model.
9. if final portrait model is multiple assembly splits, is first merged into an object, re-used the heavy topological functions of model treatment software, the model after merging is carried out the operation of weight topology, to eliminate interspersed structure, to beautify model wiring.
10. use software output function, exported by the model after heavy topology, output format is " .obj ".
" .obj " file exported is imported to print software by 11., use zoom tool adjustment model size to the size needing to print, use throw adjustment object to print posture, use Move tool that model is moved to Platform center, and be placed on print platform.
The parameter such as printing floor height, wall thickness, filling proportion, heating-up temperature, print speed of 12. adjustment printers, and arrange and support and base the need of interpolation, carry out computing after setting completed, file is saved as the form that printer can identify, by the storage card that the file unloading of output can identify to printer, ready-to-print.
13. operation 3D printers, choose and need typescripts, perform print command, printer starts preheating, starts to print.
After 14. printings terminate, model is taken off from printer print platform, use the instrument such as cutting nippers, graver the base of model, supporting construction to be removed.
Claims (8)
1. mini 3D portrait fast method for preparing, is characterized in that, this mini 3D portrait fast method for preparing comprises:
Step 1, arranges the sweep parameter of hand-held depth camera 3D scanner, carries out scanning front preparation;
Step 2, carries out human body face scanning;
Step 3, carries out the scanning of health;
Step 4, carries out cutting and benefit face of model;
Step 5, by depth calculation, carries out anti-read group total by the spatial data of human body face and body surface, obtains figure image 3D virtual data; And
Step 6, by 3D printing technique by shaping for mini portraiture.
2. mini 3D portrait fast method for preparing according to claim 1, it is characterized in that, step 1 also comprises, and irradiates harmless infrared light by low-light infrared lens to scanning entity; Then utilize vision lens, degree of depth camera lens, form three-dimensional mathematical model from the physical relation of point-line-surface; Scanning from the front part of model prepares.
3. mini 3D portrait fast method for preparing according to claim 1, it is characterized in that, in step 2, then zoomed out gradually a bit nearby by face, on move and scan the forehead crown, draw a great circle in front clockwise, scan the left face of model, left ear, lower-left jaw, chin, bottom right jaw, right face auris dextra successively, terminate to this facial scan.
4. mini 3D portrait fast method for preparing according to claim 1, it is characterized in that, in step 3, along auris dextra after auris dextra, right back brain, right back shoulder, and then take on to the right outside, right front chest, shirtfront, neck front, left front chest, left shoulder, left scapuloposterior (LScP), back, collare, hindbrain, the crown order scan successively.
5. mini 3D portrait fast method for preparing according to claim 1, is characterized in that, in step 4, cut operation to head portrait model, removed by the redundance of head portrait; Model after cutting is closed, the structure of the leak of model and open type is eliminated.
6. mini 3D portrait fast method for preparing according to claim 1, it is characterized in that, in steps of 5, the spectral information collected is converted to virtual 3d space coordinate, by the mode collection space coordinate of a cloud, reverse goes out by the 3D virtual data of scanning entity.
7. mini 3D portrait fast method for preparing according to claim 1, it is characterized in that, step 5 also comprises, and carries out the careful finishing of model; When final portrait model is multiple assembly split, first merged into an object, and carried out weight topology, the model after merging is carried out the operation of weight topology, to eliminate interspersed structure, to beautify model wiring; Finally draw by the 3D virtual data of scanning model.
8. mini 3D portrait fast method for preparing according to claim 1, is characterized in that, in step 6, adjustment model size is to the size needing to print, and adjustment object prints posture, model is moved to Platform center, and is placed on print platform; Printing floor height, wall thickness, filling proportion, heating-up temperature, these parameters of print speed of adjustment printer, and arrange the need of interpolation support and base; 3D printer is adopted to start to print; After printing terminates, model is taken off from printer print platform, the base of model, supporting construction are removed.
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| CN201510405401.XA CN105082860A (en) | 2015-07-10 | 2015-07-10 | Rapid manufacturing method for 3D mini-portrait |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106952336A (en) * | 2017-03-13 | 2017-07-14 | 武汉山骁科技有限公司 | A kind of mankind's three-dimensional head portrait production method for protecting feature |
| CN111004037A (en) * | 2019-12-31 | 2020-04-14 | 林锦城 | 3D printed ceramic personal statue souvenir and statue cinerary casket forming method |
| CN112164131A (en) * | 2020-09-25 | 2021-01-01 | 北京商询科技有限公司 | Internal structure tangent plane method, device and computer equipment based on Unity engine |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106952336B (en) * | 2017-03-13 | 2020-09-15 | 武汉山骁科技有限公司 | Feature-preserving human three-dimensional head portrait production method |
| CN111004037A (en) * | 2019-12-31 | 2020-04-14 | 林锦城 | 3D printed ceramic personal statue souvenir and statue cinerary casket forming method |
| CN112164131A (en) * | 2020-09-25 | 2021-01-01 | 北京商询科技有限公司 | Internal structure tangent plane method, device and computer equipment based on Unity engine |
| CN112164131B (en) * | 2020-09-25 | 2024-04-05 | 北京商询科技有限公司 | Method, device and computer equipment for cutting section of internal structure based on Unity engine |
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