JP2011067385A - Three-dimensional data preparing method for nail chip, manufacturing method for nail chip molding die, and manufacturing method for nail chip - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To increase the mass-productivity of nail chips which are excellent in suitability with own nails. <P>SOLUTION: The three-dimensional shape of a measurement object article is measured, and the three-dimensional data of the external surface of the nail section of the finger tip section of a user is prepared by using a measuring instrument 4 which outputs the three-dimensional data of the measurement object article. Then, the three-dimensional data of a bonding surface 13 which is bonded to the external surface of the nail section in a nail chip 1 is prepared by using the three-dimensional data of the external surface of the nail section, and the three-dimensional data of the nail chip 1 including the three-dimensional data of the bonding surface 13 is prepared. Thus, the preparation of the nail chip 1 which is excellent in suitability with the own nail 2 becomes possible. In addition, when the user purchases the nail chip 1 again, the nail chip 1 can easily be manufactured without adjusting the nail chip 1 so as to suit the own nail 2 by reutilizing the three-dimensional data of the nail chip 1. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a nail chip three-dimensional data creation method, a nail chip mold manufacturing method, and a nail chip manufacturing method.

  2. Description of the Related Art Conventionally, it has been practiced mainly for women to wear fashionable nail tips (fake nails) on their nails. Since this type of nail chip is sold in various shapes and sizes, it is possible to purchase a nail chip that is likely to fit the user's own nail (nail portion).

  However, because the curvature, contour, dimensions, etc. of the outer surface of the own nail differ for each user or even for the same user, when actually attaching a ready-made nail chip to the own nail, it does not match the shape of the own nail, There were drawbacks such as easy peeling.

  Therefore, in general, after selecting a nail tip that is relatively suitable for the user's own nail from a plurality of nail tips (off-the-shelf products), the selected nail tip is processed with a file or the like so as to fit the own nail. ing. The processing of this nail chip has a problem that it takes a long time for the user because of the time required for manual processing.

  Therefore, for example, in Patent Document 1, a user's own nail is obtained by irradiating light and curing a nail chip making plate made of a photocurable resin according to the shape of the outer surface of the own nail. Nail tips are created to match the shape of the outer surface.

  Moreover, in patent document 2, the nail chip | tip matched with the shape of the outer surface of a user's own nail | claw is created by filling the clearance gap between a user's own nail | claw and a commercially available nail chip | tip with a filler.

  Further, in Patent Document 3, an elaborate replica of the fingertip portion including the user's own nail is created based on a precise impression obtained by taking the fingertip portion including the user's own nail with an impression material, and the replica By processing an off-the-shelf product so as to match the surface shape of the nail part of the user, a nail tip is created that matches the shape of the outer surface of the user's own nail.

JP 2004-254877 A JP 2008-220837 A JP 2009-101128 A

  By the way, in the manufacturing method of the nail chip of the above-mentioned patent documents 1-3, when a user purchases a nail chip, it is necessary to recreate a nail chip from scratch so that it may fit a user's own nail, It takes a lot of work. Therefore, the nail chip manufacturing methods described in Patent Documents 1 to 3 have a problem that the mass productivity of the nail chip is not excellent.

  In view of the above points, an object of the present invention is to improve the mass productivity of nail tips excellent in compatibility with a user's own nails.

  In order to achieve the above object, according to the first aspect of the present invention, the measurement means (4) for measuring the three-dimensional shape of the measurement target object and outputting the three-dimensional data of the measurement target object is used. Based on the nail data creation step of creating at least the outer surface of the nail part of the fingertip portion and the three-dimensional data of the outer surface of the nail part, the nail chip (1) is bonded to the outer surface of the nail part. A chip data creating step of creating three-dimensional data of the joint surface (13) and creating three-dimensional data of the nail chip (1) including the three-dimensional data of the joint surface (13). And

  Thus, the nail chip | tip (1) which is excellent in a compatibility with a user's nail | claw part by creating the three-dimensional data of the nail chip | tip (1) which has a joint surface (13) corresponding to the outer surface of a user | claw part. ) Can be created.

  Furthermore, when the user purchases the nail chip (1) again, the nail chip (1) is adjusted to fit the user's nail by reusing the three-dimensional data of the nail chip (1). Therefore, the nail tip (1) can be easily created.

  Therefore, by using the three-dimensional data creation method of the nail chip (1) of the present invention, it is possible to improve the mass productivity of the nail chip (1) excellent in compatibility with the user's claw part. The “user's fingertip portion” and “nail portion” are not limited to the user's actual fingertip portion and own nail, but the fingertip portion and nail portion of the artificial finger (32) created by imitating the user's fingertip portion. Is also included.

  Further, in the invention described in claim 2, a mold for forming the nail chip (1) based on the three-dimensional data of the nail chip (1) created by the method for creating three-dimensional nail chip data described in claim 1. It comprises a mold manufacturing process for manufacturing (7, 8).

  According to this, by reusing the molds (7, 8) of the nail chip (1) manufactured using the three-dimensional data of the nail chip (1), the compatibility with the user's nail part is achieved. An excellent nail tip (1) can be easily produced, and the mass productivity of the nail tip (1) can be improved more effectively.

  Moreover, the chip which manufactures a nail chip | tip (1) using the shaping | molding die (7, 8) manufactured with the manufacturing method of the nail tip shaping | molding die of Claim 2 like invention of Claim 3. When a manufacturing process is included, the mass productivity of the nail tip (1) can be improved.

  Further, as in the invention described in claim 4, the nail chip (1) is manufactured based on the three-dimensional data of the nail chip (1) prepared by the method for generating three-dimensional nail chip data described in claim 1. When the chip manufacturing process is performed, the mass productivity of the nail chip (1) can be improved.

  In addition, the code | symbol in the bracket | parenthesis of each means described in this column and the claim shows the correspondence with the specific means as described in embodiment mentioned later.

It is explanatory drawing explaining the nail chip which concerns on 1st Embodiment. It is explanatory drawing explaining the model creation process which concerns on 1st Embodiment. It is explanatory drawing explaining the data creation process which concerns on 1st Embodiment. It is explanatory drawing explaining the chip data creation process concerning 1st Embodiment. It is explanatory drawing explaining the type | mold data creation process which concerns on 1st Embodiment. It is explanatory drawing explaining the metal mold | die manufacturing process which concerns on 1st Embodiment. It is explanatory drawing explaining the chip | tip manufacturing process which concerns on 1st Embodiment. It is explanatory drawing explaining the resin mold | type data creation process which concerns on 2nd Embodiment. It is explanatory drawing explaining the resin mold manufacturing process and silicone mold manufacturing process which concern on 2nd Embodiment. It is explanatory drawing explaining the chip manufacturing process which concerns on 2nd Embodiment. It is explanatory drawing explaining the nail | claw data creation process which concerns on other embodiment.

(First embodiment)
Hereinafter, a first embodiment of the present invention will be described with reference to FIGS. FIG. 1 is an explanatory view for explaining a nail tip 1. FIG. 1 (a) is a perspective view showing the nail tip 1 and a fingertip portion, and FIG. 1 (b) is a fingertip portion (dotted line) with the nail tip 1 attached. It is sectional drawing shown.

  As shown in FIG. 1, when the nail chip 1 is attached to a user's own nail (nail part) 2, the body part 10 corresponding to the own nail 2 and a chip extending so as to protrude from the tip of the own nail 2. And a tip portion 11. The main body 10 and the tip end 11 are integrally formed.

  The main body 10 is formed in a contour that fits the contour (rear nail contour) 21 on the rear end side (skin coat side) 21 of the own nail 2 and the contour (nail contour) 22 in the width direction (left-right direction) of the subject nail 2. ing. The shape of the tip end portion 11 is formed so as not to interfere with the own nail 2.

  The surface 12 of the nail chip 1 (the surface of the main body 10 and the tip end portion 11) 12 is generally a surface to which colors and patterns are applied. Further, the back surface of the main body 10 is a joint surface 13 to be joined to the outer surface 20 of the own nail 2, and is formed in a curved shape so as to fit the outer surface 20 of the own nail 2. The nail chip 1 is attached to the nail 2 after a double-sided tape is applied to the bonding surface 13 or an adhesive is applied to the bonding surface 13. For convenience of explanation, the joint surface of the main body 10 of the nail chip 1 is indicated by a bold line.

  Next, each process for manufacturing the nail chip 1 according to the present embodiment will be described with reference to FIGS. 2-7 is explanatory drawing explaining each process which manufactures the nail chip | tip 1 in this embodiment. In the following, for the convenience of explanation, a manufacturing process when manufacturing one nail chip 1 corresponding to one fingernail will be described.

  The manufacturing process of the nail chip 1 in the present embodiment mainly includes a nail data creation process (see FIGS. 2 and 3), a chip data creation process (see FIG. 4), and a mold manufacturing process (see FIGS. 5 and 6). And a chip manufacturing process (see FIG. 7).

  First, the nail data creation process will be described with reference to FIGS. The nail data creation process of the present embodiment includes a model creation process (see FIG. 2) for creating an artificial finger (model) 32 that imitates the user's fingertip part, and a three-dimensional shape of the user's fingertip part (artificial finger 32). And a data creation step (see FIG. 3) for measuring and generating three-dimensional data (modeling) of the nail portion of the fingertip portion of the user.

  In the model creation process, as shown in FIG. 2, the impression material (for example, a mixture of a silicone rubber base material and a curing agent) 30 is used to collect the impression around the fingertip portion including the own nail 2 to which the nail chip 1 is attached. (Molding) (see FIG. 2A) to create a fingertip portion mold 31 (see FIG. 2B). Then, gypsum and resin are enclosed in the mold 31 of the hardened fingertip portion (see FIG. 2C) to create an artificial finger (model) 32 of the user's fingertip portion (see FIG. 2D).

  In the data creation process, the outer surface of the nail portion of the artificial finger 32 is measured using a measuring device (measuring means) 4 that measures the three-dimensional shape of the measurement target object and outputs the three-dimensional data of the measurement target object. 3D data of the fingertip portion including information such as the dimension, the degree of curvature, and the contour of the fingertip is created.

  In the present embodiment, the measuring device 4 measures the three-dimensional shape of the measurement target object based on image data obtained by photographing the measurement target object with two cameras (not shown), A 3D scanner that outputs three-dimensional data (three-dimensional CAD data) of an object to be measured is employed.

  The measuring instrument 4 is connected to a personal computer PC5 via a cable (not shown), and outputs the measured three-dimensional data of the fingertip portion (model) to the PC5. Note that the measurement of the three-dimensional shape by the measuring device 4 is not limited to the entire fingertip portion, and only the nail portion of the fingertip portion may be measured.

  The PC 5 is configured by a known device including a memory such as a ROM and a RAM, an input / output unit (I / O), a CPU, a display, an HDD (hard disk drive), and the like. Then, the CPU of the PC 5 activates CAD (Computer Aided Design) application software (hereinafter simply referred to as CAD software) installed in the PC 5 and converts the 3D data into 3D CAD data (hereinafter simply referred to as CAD data). .)), An editing process for editing CAD data, and the like.

  Next, the chip data creation process will be described with reference to FIG. 4A shows CAD data of the artificial finger and nail chip displayed on the display of the PC 5, and FIG. 4B shows CAD of the cross section of the artificial finger and nail chip displayed on the display of the PC 5. Data are shown.

  In the chip data creation process, the CAD data of the outer surface of the nail part is extracted from the CAD data of the artificial finger (model) 32 created in the nail data creation process (extracting information such as the size, curvature degree, contour of the outer surface of the nail part ) Then, based on the extracted CAD data of the outer surface of the nail part, CAD data (hereinafter referred to as product data) of the nail chip 1 is created.

  Specifically, product data is created by extracting extracted data (information such as dimensions, degree of curvature, and contour), which is CAD data of the outer surface of the nail portion, from CAD data of the joint surface 13 of the main body 10 of the nail chip 1. And That is, the CAD data on the outer surface of the nail portion and the CAD data on the joint surface 13 of the main body portion 10 of the nail chip 1 are matched. Then, an offset value corresponding to the thickness of the nail chip 1 is added to the CAD data of the joint surface 13 of the main body 10 of the nail chip 1 to create CAD data of the main body 10.

  After the CAD data of the main body 10 of the nail chip 1 is created in this way, the length of the tip end 11 of the nail chip 1 and the shape of the tip periphery are created according to the user's wishes. Examples of the shape of the peripheral edge of the tip end portion 11 include a general square shape and an oval shape. The CAD data on the outer surface of the nail part is extracted and edited by the CAD operator using the CAD software of the PC 5.

  Next, the mold manufacturing process will be described with reference to FIGS. FIG. 5 shows the CAD data of the cross section of the nail chip 1 and the CAD data of the cross section of the mold of the nail chip 1 displayed on the display of the PC 5.

  The mold manufacturing process of the present embodiment is based on a mold data creation process (see FIG. 5) for creating CAD data of a mold for the nail chip 1 and a CAD data for the mold of the nail chip 1. A mold manufacturing process for manufacturing a certain mold 7 (see FIG. 6).

  In the mold data creation process, CAD data for the mold of the nail chip 1 is created based on the product data created in the chip data creation process (see FIG. 5A). Specifically, on CAD software, product data is embedded in three-dimensional mold block data prepared in advance, and the product data is subtracted from the mold block data, which corresponds to the shape of the nail chip 1 in the mold block data. Create a cavity. Then, by dividing the cavity portion into upper and lower parts, CAD data of a molding die composed of male data and female data is created (see FIG. 5B). Then, the CAD data of the mold is converted into CAM (Computer Aided Manufacturing) data on the PC 5. The above-described CAD data and CAM data are stored in a data storage unit such as an HDD of the PC 5.

  In the subsequent mold manufacturing process, as shown in FIGS. 6A to 6C, a metal material (for example, aluminum) prepared in advance by a cutting machine 6 such as an NC lathe using the CAM data is used. The male mold 7a and the female mold 7b of the mold 7 of the nail chip 1 are manufactured. In FIG. 6, for convenience of explanation, the mold 7 of the nail chip 1 is shown in a sectional view.

  Next, a chip manufacturing process will be described with reference to FIG. 7A shows a process of closing the mold 7 and filling the thermoplastic resin through the resin filling port 7c, and FIG. 7B shows a process of opening the mold 7 and taking out the nail chip 1. Is shown.

  In the chip manufacturing process, the nail chip 1 is manufactured using the mold 7 manufactured in the mold manufacturing process and the thermoplastic resin injection molding machine (not shown). Specifically, after the mold 7 is closed (clamped), the thermoplastic resin is filled through the resin filling port 7c provided in the mold 7 and cooled (see FIG. 7A). ), The mold 7 is opened, and the nail chip 1 which is a molded product is taken out (see FIG. 7B). In addition, as a thermoplastic resin, what melt | dissolved acrylic (PMMA) resin, ABS resin, polycarbonate resin, etc. can be used.

  According to this embodiment described above, the nail chip 1 is attached to the user's own nail 2 by creating three-dimensional data of the nail chip 1 having the joint surface 13 corresponding to the outer surface of the user's own nail 2. In this case, the nail tip 1 having excellent compatibility with the self-nail 2 can be manufactured.

  Further, when the user purchases the nail chip 1 again, the nail chip 1 can be easily reused by reusing the three-dimensional data of the nail chip 1 without adjusting the nail chip 1 so as to fit the nail 2. 1 can be manufactured.

  Therefore, the nail chip 1 having excellent compatibility with the user's own nail 2 is obtained by using the above-described three-dimensional data creation method of the nail chip 1, the manufacturing method of the nail chip mold, and the manufacturing method of the nail chip 1. Can be improved in mass production.

  Further, when the nail tip 1 is manufactured using a mold (in this embodiment, the mold 7) as in the present embodiment, the nail having excellent compatibility with the nail 2 can be obtained by reusing the mold. The chip 1 can be easily manufactured, and the mass productivity of the nail chip 1 can be improved more effectively.

  Further, when the mold 7 is used as a mold for forming the nail chip 1 as in the present embodiment, there is little possibility of causing a chemical reaction with the resin that is the raw material of the nail chip 1 when the nail chip 1 is manufactured. . Therefore, when the mold 7 is used for manufacturing the nail chip 1, the raw material of the nail chip 1 is not limited, so that the nail chip 1 can be manufactured using various resins.

  Moreover, in this embodiment, since the three-dimensional data of the outer surface of a nail | claw part is measured using the artificial finger (model) of a user's fingertip part, for example, a user needs to witness the processing site of the nail chip 1 Therefore, it is possible to shorten the restraint time of busy users. In addition, since it is not necessary for the user to go to the store with the measuring instrument to measure the fingertip part, the burden on the user living in a remote place can be reduced.

(Second Embodiment)
Next, a second embodiment of the present invention will be described with reference to FIGS. Parts that are the same as or equivalent to those in the first embodiment are given the same reference numerals, and descriptions thereof are omitted. Here, FIG. 8 is an explanatory diagram for explaining a resin mold data creation process according to the present embodiment, and FIG. 9 is an explanatory diagram for explaining a mold manufacturing process according to the present embodiment. FIG. 8 shows the CAD data of the cross section of the nail chip 1 displayed on the display of the PC 5, the CAD data of the cross section of the mold of the nail chip 1, and the CAD data of the resin mold.

  This embodiment is different from the first embodiment in that the nail chip mold is manufactured with a silicone rubber material in the mold manufacturing process. Here, it is conceivable to use a resin mold as the mold of the nail chip 1, but when the nail chip 1 itself is manufactured from a resin, if a resin mold or the like is used, the resin to be filled and the resin mold are separated. There is a possibility that the nail chip 1 which is a molded product cannot be removed from the resin mold due to a chemical reaction. Therefore, in this embodiment, the mold for the nail chip 1 is manufactured using a silicone rubber material having excellent releasability.

  Although the silicone rubber material is excellent in releasability, it is difficult to directly manufacture a silicone rubber mold (hereinafter referred to as a silicone mold) by the cutting machine 6 because of its soft material.

  Therefore, in the present embodiment, once a mold for manufacturing the silicone mold 8 of the nail chip 1 is manufactured with a high-strength synthetic resin, the silicone mold 8 is manufactured by filling the resin mold 9 with silicone rubber. To do. Therefore, the mold manufacturing process of the present embodiment includes a resin mold data creating process, a resin mold manufacturing process, and a silicone mold manufacturing process.

  Specifically, in the resin mold data creation step, as shown in FIG. 8, after the CAD data of the mold of the nail chip 1 is created, the CAD data corresponds to the convex surface of the male mold data of the nail chip 1. While generating male inverted data having a concave surface, female inverted data having a convex surface corresponding to the concave surface of the female data of the nail chip 1 is generated. Then, on the PC 5, the resin-type CAD data composed of the male inversion type data and the female inversion type data is converted into CAM data. The male inversion type data corresponds to a female die 9b of a resin die 9 described later, and the female inversion type data corresponds to a male die 9a of a resin die 9 described later.

  In the subsequent resin mold manufacturing process, as shown in FIGS. 9A to 9C, the synthetic resin material prepared in advance by the cutting machine 6 is processed using the CAM data, and the silicone mold 8 is processed. Manufacturing resin molds 9 (male mold 9a and female mold 9b) are manufactured. In FIG. 9, for convenience of explanation, the silicone mold 8 and the resin mold 9 are shown in cross-sectional views.

  Next, in the silicone mold manufacturing process, as shown in FIGS. 9D and 9E, the male mold 9a and the female mold 9b of the resin mold 9 are respectively arranged in two storage cases 10 and 11 prepared in advance. Thereafter, each of the housing cases 10 and 11 is filled with liquid silicone rubber and a catalyst. Then, after the silicone rubber is cured, the molded products (the male mold 8a and the female mold 8b of the silicone mold 8) are taken out from the respective housing cases 10 and 11.

  Next, the chip manufacturing process of this embodiment will be described with reference to FIG. In the chip manufacturing process, the nail chip 1 is manufactured using the silicone mold 8 manufactured in the mold manufacturing process, a thermosetting resin, a curing agent for the thermosetting resin, and the like. Specifically, after the silicone mold 8 is closed (clamped), the thermosetting resin and the curing agent are filled through the resin filling port 8c provided in the silicone mold 8 (FIG. 10A). )), The silicone mold 8 is opened, and the nail chip 1 which is a molded product is taken out (see FIG. 10B). In addition, as a thermosetting resin, what melt | dissolved the polyester resin, the epoxy resin, etc. can be used.

  According to the present embodiment described above, even if the nail chip 1 is manufactured using the silicone mold 8 which is cheaper than the mold 7 and the user purchases the nail chip 1 again, the silicone Since the nail tip 1 can be easily manufactured by reusing the mold 8, the mass productivity of the nail tip 1 can be improved more effectively.

(Other embodiments)
As mentioned above, although embodiment of this invention was described, this invention is not limited to this, Unless it deviates from the range described in each claim, it is not limited to the wording of each claim, and those skilled in the art Improvements based on the knowledge that a person skilled in the art normally has can be added as appropriate to the extent that they can be easily replaced. For example, various modifications are possible as follows.

  (1) In the first embodiment described above, the method of creating the artificial finger (model) of the fingertip portion of the user and measuring the three-dimensional shape of the nail portion of the created fingertip portion has been described, but is not limited thereto. Other measurement methods may be employed.

  For example, as shown in FIG. 11, the three-dimensional shape of the fingertip portion of the user may be directly measured by a three-dimensional scanner as the measuring device 4 in the nail data creation step. In this case, since the creation process for creating the fingertip portion can be omitted, the manufacturing time of the nail chip 1 can be shortened. Furthermore, if the three-dimensional shape of the fingertip portion of one hand (five fingers) is measured at a time, the measurement for one hand can be completed with a single measurement, so the manufacturing time of the nail tip 1 can be further increased. It can be shortened.

  (2) In each of the above-described embodiments, the three-dimensional shape of the fingertip part is measured based on the image data obtained by photographing the measurement target object used as the measuring instrument 4, and the CAD data of the fingertip part is obtained. Although the output 3D scanner is used, the present invention is not limited to this. For example, the measurement target object is scanned with laser light, and the reflected light of the laser light is received by the light receiving unit, thereby measuring the three-dimensional shape of the measurement target object, and the three-dimensional data of the measurement target object. May be a 3D scanner. The 3D scanner is not limited to the non-contact type, and may be a contact type.

  (3) In each of the above-described embodiments, the product data is created by adding an offset value corresponding to the thickness of the nail chip 1 to the CAD data of the joint surface 13 of the main body 10 of the nail chip 1. However, the present invention is not limited to this. For example, a plurality of product data is prepared in advance, the optimum product data is selected from a plurality of product data according to the CAD data of the outer surface of the nail portion, and the data corresponding to the joint surface 13 in the selected product data is selected. You may make it produce with the CAD data of the outer surface.

  (4) In each of the embodiments described above, the nail chip 1 is manufactured using a mold such as the mold 7 or the silicone mold 8, but the present invention is not limited to this, and the nail chip 1 is created in the chip data creation process. The nail chip 1 may be manufactured directly from the product data.

  For example, the nail tip 1 may be manufactured by a method of cutting with a cutting machine 6 such as an NC lathe based on the product data of the nail tip 1. In this case, the nail chip 1 can be manufactured from a metal material other than resin, a wood material, a stone material, or the like.

  Also, as in rapid prototyping, product data is sliced, and thin data is superimposed on the original data to be created, and materials such as powder, resin, steel plate, and paper are stacked on it (lamination The nail chip 1 may be manufactured by a modeling method. Specifically, the nail chip 1 can be manufactured by an optical modeling machine that performs modeling while irradiating a liquid ultraviolet curable resin with ultraviolet light and repeatedly curing and laminating the ultraviolet curable resin.

  (5) In the first embodiment described above, the molding method of the nail chip 1 is an injection molding method using a thermoplastic resin injection molding machine, but other molding methods may be employed. For example, the nail chip 1 may be manufactured by adopting the molding method using the thermosetting resin and the curing agent described in the second embodiment.

1 Nail tip 2 Self nail 4 Measuring instrument (measuring means)
7 Mold 8 Silicone mold 13 Bonding surface

Claims (4)

Measure the three-dimensional shape of the object to be measured and use the measuring means (4) to output the three-dimensional data of the object to be measured, and create the three-dimensional data of the outer surface of at least the nail part of the user's fingertip Nail data creation process,
Using the three-dimensional data of the outer surface of the nail portion, three-dimensional data of the bonding surface (13) bonded to the outer surface of the nail portion in the nail tip (1) is created, and the bonding surface (13) A chip data creation step for creating three-dimensional data of the nail chip (1) including the three-dimensional data;
A method for producing three-dimensional data of a nail chip, comprising:   A mold for producing a mold (7, 8) for the nail chip (1) based on the three-dimensional data of the nail chip (1) created by the method for creating three-dimensional nail chip data according to claim 1. A method for manufacturing a nail chip mold, comprising a manufacturing process.   A chip manufacturing process for manufacturing the nail chip (1) using the mold (7, 8) manufactured by the method for manufacturing a nail chip mold according to claim 2. A method for manufacturing a nail chip.   A chip manufacturing process for manufacturing the nail chip (1) based on the three-dimensional data of the nail chip (1) generated by the method for generating three-dimensional data of a nail chip according to claim 1. A method for manufacturing a nail chip.

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