CN115246222A - Generation system of customized shoe model - Google Patents
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- CN115246222A CN115246222A CN202110455351.1A CN202110455351A CN115246222A CN 115246222 A CN115246222 A CN 115246222A CN 202110455351 A CN202110455351 A CN 202110455351A CN 115246222 A CN115246222 A CN 115246222A
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- 238000013461 design Methods 0.000 claims abstract description 51
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- 238000010146 3D printing Methods 0.000 description 4
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/386—Data acquisition or data processing for additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y50/00—Data acquisition or data processing for additive manufacturing
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The invention discloses a generating system of a customized shoe model, which comprises a customized shoe tree automatic generating module, a shoe part customized generating module and an additive design generating module, wherein the customized shoe tree automatic generating module is used for automatically generating the customized shoe tree model matched with a user foot shape model according to a shoe tree model of a target shoe style and the user foot shape model; and generating at least one shoe component model based on the customized last model; introducing a DfAM design into the shoe part model, and adding a cell structure; the system for generating the customized shoe model greatly improves the design efficiency, realizes the automation of the design, and provides a high-efficiency and low-cost design mode for the large-scale customized shoe business; the light weight and personalized design of the customized shoes can be realized due to the full digital design process and input and output; the system can be conveniently interfaced with a front-end data acquisition mode, and the back-end is interfaced with a digital manufacturing end, so that various new business modes based on the Internet can be supported.
Description
Technical Field
The invention relates to the field of shoe customization and manufacturing, in particular to a generation system of a customized shoe model.
Background
With the development of science and technology and the improvement of living standard of materials, the requirements of people on shoes gradually develop from single function to comfort and individuation, so the customized shoe technology has better market prospect. However, in the existing shoe making field, manual participation and manual drawing are usually not left in the customized shoes, and from the last to the drawing of the two-dimensional design drawing and then to the obtaining of the three-dimensional customized shoe model, 2 to 3 days are usually needed, which is labor-consuming and time-consuming and has low efficiency. If the shoe designer suggests that the changes are necessary, the drawing process is repeated again. In practice, such an iterative process is performed at least 3 times, which results in a modeling process for a custom shoe that takes 7-10 days.
The 3D printing technology provides a new development direction for the customized shoes, and can simplify the drawing steps in the design process of the customized shoes to a certain extent. However, the design and manufacture of the customized shoes at present often depend on the experience of technicians, and it is difficult to design the customized shoes automatically.
Disclosure of Invention
The invention aims to provide a system for generating a customized shoe model, which is used for realizing automatic design and adjustment of a shoe tree according to the data shape of a user foot and generating a customized shoe printing model. On the basis, design for additional manufacturing (DfAM) Design can be introduced, and light and personalized Design of the customized shoe can be realized.
Specifically, the generation system of the customized shoe model comprises a customized shoe tree automatic generation module, a shoe part customized generation module and an additive design generation module;
the customized shoe tree automatic generation module is used for automatically generating a customized shoe tree model matched with the user foot shape model according to the shoe tree model of the target shoe money and the user foot shape model;
the shoe component customization generation module comprises at least one shoe component generation module and is used for generating at least one shoe component model from the customized shoe tree model. The shoe component generation module includes, but is not limited to, a customized sole generation module, a customized upper generation module, a whole shoe generation module; the shoe component models include, but are not limited to, a customized sole model, a customized upper model, a customized full shoe model;
the additive design generation module comprises at least one DfAM structure generation module and is used for adding a cell structure in at least one shoe component model; the DfAM structure generation module comprises but is not limited to a DfAM sole structure generation module, a DfAM vamp structure generation module and a DfAM whole shoe structure generation module.
Preferably, the automatic customized shoe tree generation module comprises a customized shoe tree generation module for adjusting the shoe tree model of the target shoe style according to the shoe style characteristic data, so that the shoe tree model is attached to the foot shape model of the user to generate the customized shoe tree model.
Preferably, the customized shoe tree generation module takes the shoe style characteristic data and at least one foot shape deformation simulation parameter as input, and adjusts the shoe tree model of the target shoe style to be matched with the foot shape model of the user in size; setting and adjusting fine adjustment parameters, and adjusting the shoe tree mold of the target shoe model to be attached to the foot-shaped model of the user; a customized last model is generated.
Preferably, the user foot shape model used in the customized shoe tree automatic generation module is a user foot shape simulation model for wearing shoes.
Preferably, the customized shoe tree automatic generation module further comprises a shoe wearing foot shape simulation module; the shoe wearing foot shape simulation module lifts the heel part of the user foot shape model based on the front-back heel difference or the side outline bottom side line of the shoe tree model of the target shoe style; adjusting the foot shape characteristic parameters of the static foot shape model of the user to enable the foot shape bottom surface to be matched with the curve of the shoe tree model bottom surface of the target shoe money; adjusting foot shape characteristic parameters of a user foot shape model based on shoe style characteristic data such as unilateral width compression amount, metatarsal girth compression amount and the like of the target shoe style, so that the width of the half sole of the foot is narrowed, and the height of the half sole of the foot is increased; and generating a simulation model of the shape of the foot of the user wearing the shoe.
Preferably, the customized sole generating module is configured to generate a customized sole model through the input customized last model, the target shoe style design drawing and the shoe design parameters.
Preferably, the customized sole generation module extends the sole side profile of the target shoe style design drawing along the width direction of the customized shoe tree model, extracts the track of the upper curve of the sole side profile, and generates a sole inner face model; and extracting the track of the lower curve of the profile at the side of the sole to generate a sole bottom model, and connecting the edges of the sole bottom model and the sole bottom model to generate a customized sole model.
Preferably, the customized upper generation module is used for generating a customized upper model through the input customized last model, the target shoe money design drawing and the shoe design parameters.
Preferably, the custom upper generation module extends the curved surface at the custom last model ankle up to or above the highest point of the curve at the upper side contour cuff of the target shoe style design drawing; cutting the curved surface at the ankle of the extended customized upper model by using the curved surface at the upper-side outline shoe entrance, and removing the part higher than the curved surface at the upper-side outline shoe entrance; adding the vamp thickness parameter to generate a customized vamp model.
Preferably, the DfAM sole structure generating module is configured to add a cellular structure to the customized sole model by taking the customized sole model output by the customized sole generating module, or the midsole model and the outsole model as input, referring to the sole stress data of the user.
Preferably, the cell structure is derived from a lattice database, which is based on a relationship established by simulation, including cell geometric parameters and mechanical properties.
Preferably, the cell structure is selected from one or a combination of a Diamond curved surface, a Gyroid curved surface, a Dprime curved surface, a Split P curved surface, an I-WP curved surface, a Lidinoid curved surface, a Neovius curved surface, a Scherk curved surface and a Schwarz curved surface.
Compared with the prior art, the invention has the beneficial effects that: the technical scheme of the invention greatly improves the design efficiency, realizes the automation of the design and provides a high-efficiency and low-cost design mode for the large-scale customized shoe business. Due to the fully digital design process and input and output, the system can be conveniently interfaced with a front-end data acquisition mode, and the back-end is interfaced with a digital manufacturing end, so that various new business modes based on the Internet can be supported.
Drawings
FIG. 1 is a schematic illustration of a standard last model, a user foot model, a customized last model, in accordance with an embodiment of the present invention;
FIG. 2 is a schematic representation of a user wearing a shoe foot shape simulation model in accordance with one embodiment of the present invention;
FIG. 3 is a schematic view of a customized sole model in accordance with an embodiment of the present invention;
FIG. 4 is a schematic view of a customized upper model in accordance with one embodiment of the invention;
FIG. 5 is a schematic representation of a custom shoe model incorporating the DfAM structure in accordance with one embodiment of the present invention;
figure 6 is a schematic diagram of a cell structure according to one embodiment of the present invention;
reference numbers: standard shoe tree model 1, user foot shape model 2, metatarsal girth 3, customization shoe tree model 4, side profile bottom sideline 5, user's shoes foot shape simulation model 6, target shoe style design drawing (mark 7), sole side profile 8, upper of a shoe side profile 9, sole inner face model 10, sole bottom surface model 11, customization sole model 12, curved surface 13 of ankle department, welt department curve 14, customization vamp model 15, customization shoe model 16, cellular structure 17, porous reticular structure 18.
Detailed Description
The invention is described in further detail below with reference to the figures and the specific examples, but the invention is not limited thereto.
Specifically, the generation system of the customized shoe model comprises a customized shoe tree automatic generation module, a shoe component customized generation module and an additive design generation module;
and the customized shoe tree automatic generation module is used for automatically generating a customized shoe tree model matched with the user foot shape model according to the shoe tree model of the target shoe style and the user foot shape model. The customized shoe tree model is matched with parameters such as the shape of the foot-shaped model of the user and the like, and is also matched with shoe money characteristic data of the target shoe money. The shoe style characteristic data is selected from one or more of toe cap shape, shoe tree side contour bottom edge line, shoe tree lengthening amount, unilateral width compression amount and metatarsal circumference compression amount.
In one or more embodiments, as shown in fig. 1, the last model of the target shoe money is a standard last model 1 of the target shoe money, wherein the standard last only needs to input a model of a right or left shoe last. The user foot shape model 2 is selected from a foot shape model acquired in a static or dynamic state of a user and can be acquired by a conventional method such as reverse mode and 3D scanning. The input format of the last model 1 of the target shoe money and the foot shape model 2 of the user can be stl format, and can also be other formats for describing the mesh model. The automatic module that generates of customization shoe tree contains customization shoe tree and generates the module for according to shoes money characteristic data, the shoe tree model 1 of adjustment target shoes money makes it laminate mutually with user's foot shape model 2, generates customization shoe tree model 4. Preferably, the input end of the customized shoe tree automatic generation module may further be provided with a boolean controller for identifying whether the input model is a left foot or a right foot, so as to improve the degree of automation.
In the above embodiment, the customized shoe tree generation module takes the shoe style characteristic data and at least one foot shape deformation simulation parameter as input, and adjusts the shoe tree model 1 of the target shoe style to match the size of the user foot shape model 2; setting and adjusting fine adjustment parameters, and adjusting the shoe tree model 1 of the target shoe money to be attached to the foot shape model 2 of the user; a customized last model 4 is generated. The foot shape deformation simulation parameters are derived from the deformation of the foot shape after the foot of the user penetrates into the target shoe style, and if the deformation of the foot accords with the shoe style characteristic data set by the shoe style, the comfortable sensation of wearing the shoe can be ensured. The deformation simulation parameters include but are not limited to single-side width compression amount and foot-surface maximum increase amount. The fine tuning parameter is selected from at least one last circumference parameter, including but not limited to, a metatarsal circumference 3, a tarsal circumference, a bib circumference of the last. In the above embodiment, the customized shoe tree generation module may further output parameters such as a metatarsal circumferential line and a metatarsal circumferential scaling amount, which are used to check whether the generated customized shoe tree model fits the user foot shape model and meets the design requirement.
Preferably, the user foot shape model used in the customized shoe tree automatic generation module can also be a user wearing shoe foot shape simulation model. The shoe wearing foot-shaped model simulates the shape of the foot when the user wears the shoe with the target shoe style, and the comfort level of the customized shoe can be further improved. The customized shoe tree automatic generation module further comprises a shoe wearing foot shape simulation module. As shown in fig. 2, the shoe-wearing foot shape simulation module lifts the heel part of the user foot shape model 2 based on the front-back heel difference or the side contour bottom edge line 5 of the shoe tree model 1 of the target shoe model; subsequently, adjusting the foot shape characteristic parameters of the static foot shape model 2 of the user to enable the foot shape bottom surface to be matched with the curve of the bottom surface of the shoe tree model 1 of the target shoe money; then, adjusting foot shape characteristic parameters such as the metatarsal circumference 3 and the like of the user foot shape model 2 based on shoe style characteristic data such as unilateral width compression amount, metatarsal circumference compression amount and the like of the target shoe style, so that the width of the half sole of the foot is narrowed and the height is increased; finally, a simulation model 6 of the foot shape of the user wearing the shoe is generated. In the above embodiment, the variation of the foot shape characteristic parameter does not exceed the shoe tree lengthening amount, and the ratio of the circumference of the foot in the user foot shape model 2 to the circumference of the foot in the shoe wearing simulation deformation model 6 is consistent with the circumference of the foot scaling amount required by the target shoe type.
In the above embodiment, the customized shoe last model generated by the customized shoe last automatic generation module may be used for numerical control shoe last processing or 3D printing processing, and the shoe last model may also be used as input data of a subsequent customized sole and upper generation module.
The shoe component customization generating module comprises at least one shoe component generating module used for generating at least one shoe component model from the customized shoe tree model. The shoe component generation module includes, but is not limited to, a customized sole generation module, a customized upper generation module, and a whole shoe generation module. The shoe component models include, but are not limited to, a customized sole model, a customized upper model, and a customized full shoe model.
The customized sole generating module is used for generating a customized sole model through the input customized shoe tree model, the target shoe money design drawing and the shoe design parameters. In one or more embodiments, as shown in fig. 3, the target shoe style plan (reference numeral 7), which includes multiple views such as side views and bottom views, may be derived from a target shoe style such as an athletic shoe, a geriatric shoe, etc., and includes features such as a sole side contour 8 and an upper side contour 9, which may be a plan view or a 3D model. The shoe design parameters comprise parameters related to vamp thickness, insole thickness and sole shape design. The customized sole generation module extends the outline of the sole side 8 of the target shoe style design drawing (marked 7) along the width direction of the customized shoe tree model 4, extracts the track of the upper curve of the sole side outline and generates a sole inner face model 10; and extracting the track of the lower curve of the profile of the sole side to generate a sole bottom model 11, and connecting the edges of the sole bottom model and the sole side profile to generate a customized sole model 12. The sole inner face model 10 and the sole bottom face model 11 conform to the setting of sole shape design parameters of a target shoe style design drawing (marked 7). In the above embodiment, the extension of the sole side contour 8 in the width direction of the customized footwear last model 4 matches with the bottom surface of the customized footwear last model 4. The customized sole model 12 generated by the customized sole generation module can be manufactured by a numerical control processing method, indirectly 3D printing and manufacturing, and can also be used as an input model of an additive design generation module.
The customized vamp generation module is used for generating a customized vamp model through the input customized shoe tree model, the target shoe money design drawing and the shoe design parameters. In one or more embodiments, as shown in fig. 4, the custom upper generation module extends the curved surface 13 at the ankle of the custom last model 4 up to the highest point of the curve 14 at the top of the upper side profile 9 of the target shoe style design drawing (item 7); cutting the curved surface 13 at the ankle of the extended custom upper model with the upper-side contour cuff curve 14, removing a portion higher than the upper-side contour cuff curve 14; the upper thickness parameters are added to create a custom upper model 15. The upper model 15 generated by the custom upper generation module can be used for traditional digital weaving and cutting, and can also be used as an input model of an additive design generation module.
The shoe component customization generating module further comprises a whole shoe generating module for splicing the customized sole model 12 and the customized vamp model 15 to generate a customized shoe model 16. In addition, the shoe part model output by the shoe part customization generation module further comprises a 3D sole outline model, a vamp 2D expansion model, a sole detail design model, a midsole model or an outsole model, and a sole inner face and a sole bottom face.
The material increase design generation module comprises at least one DfAM structure generation module, is used for adding a cell structure in at least one shoe component model, and is suitable for carrying out lightweight and customized treatment on the shoe component model. The DfAM structure generation module includes, but is not limited to, a DfAM sole structure generation module, a DfAM upper structure generation module, and a DfAM overall shoe structure generation module. In one or more embodiments, as shown in fig. 5, the DfAM sole structure generation module is configured to use the customized sole model 12 output by the customized sole generation module, or the midsole model and the outsole model as input, refer to the sole stress data of the user, and add the cellular structure 17 to the customized sole model, i.e., the cellular structure 17 is used to replace the original structure of the customized sole model 12 at multiple locations, or the cellular structure 17 is used to construct the complete sole model 12. The cell structure 17 is derived from a lattice database, which is based on a relationship established by simulation that includes cell geometry and mechanical properties. Preferably, the design goals may be achieved using corresponding algorithms, including but not limited to: the method comprises the steps of lattice database-based and simulation-driven automatic generation algorithm of lattice structures, topological optimization calculation, mathematical-based TPMS structure generation algorithm and the like, and can select characteristic foot pressure data or weight data of a user as input of simulation calculation.
In other embodiments, the DfAM upper structure generation module is configured to add cellular structures to a customized upper model. The cell structure may be a porous mesh structure 18, which may be realized by including a porous structure generating algorithm, a woven structure generating algorithm. And the DfAM whole shoe structure generation module is used for customizing parts such as soles or vamps of the shoe models and adding cell structures. The output of the additive design generation module can be a sole, an upper, or a sole and upper integrated structure. The model output by the module supports 3D printing/additive manufacturing.
In one or more embodiments, as shown in fig. 6, the cell structure is selected from one or a combination of Diamond surfaces (as shown in fig. 6A-6C), gyroid surfaces (as shown in fig. 6D, 6E, 6I, and 6J), dprime surfaces (as shown in fig. 6G and 6H), split P surfaces (as shown in fig. 6L and 6M), I-WP surfaces (as shown in fig. 6N), lidoid surfaces (as shown in fig. 6O), neovisius surfaces (as shown in fig. 6P), scherk surfaces (as shown in fig. 6F), and Schwarz surfaces (as shown in fig. 6K).
The generation system of the customized shoe model can write the generation algorithm of each module in the technical scheme by using a Grasshopper visual programming tool in a Rhino modeling environment. Specific presentation modes include, but are not limited to: a plug-in of software, packaged independent running software, web end running software and the like.
Wherein the graphical programmer visualization programming tool used in the Rhino modeling environment can be written and replaced by programming tools in other CAD modeling software. These tools include, but are not limited to: a visualization script in a 3D Generation Innovator role modeling environment in CATIA 3 DEXPERENCE; autodesk series products such as Dynamo visual programming platforms in the Alias modeling environment; generatevicomponents by Bentley Systems, inc.; and programming language tools in various CAD software environments.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention in any way. Any simple modification, form change and modification of the above embodiments according to the technical spirit of the present invention fall within the scope of the present invention.
Claims (12)
1. A generation system of a customized shoe model is characterized by comprising a customized shoe tree automatic generation module, a shoe component customized generation module and an additive design generation module;
the customized shoe tree automatic generation module is used for automatically generating a customized shoe tree model matched with the user foot shape model according to the shoe tree model of the target shoe money and the user foot shape model;
the shoe component customization generation module comprises at least one shoe component generation module and is used for generating at least one shoe component model from the customized shoe tree model. The shoe component generation module includes, but is not limited to, a customized sole generation module, a customized upper generation module, a whole shoe generation module; the shoe component models include, but are not limited to, customized sole models, customized upper models, customized full shoe models;
the additive design generation module comprises at least one DfAM structure generation module and is used for adding a cell structure in at least one shoe component model; the DfAM structure generation module includes, but is not limited to, a DfAM sole structure generation module, a DfAM upper structure generation module, and a DfAM overall shoe structure generation module.
2. The system according to claim 1, wherein the customized shoe tree automatic generation module comprises a customized shoe tree generation module for adjusting the shoe tree model of the target shoe money according to the shoe money characteristic data to fit the foot model of the user to generate the customized shoe tree model.
3. The system of claim 2, wherein the custom last generation module takes as input the shoe style characteristic data and the at least one foot shape deformation simulation parameter, and adjusts the last model of the target shoe style to match the size of the user's foot shape model; setting and adjusting fine adjustment parameters, and adjusting a shoe tree mold of the target shoe money to be attached to the foot-shaped model of the user; a customized last model is generated.
4. A system for generating a customized shoe model according to claim 1, wherein the foot shape model of the user used in the customized shoe last automatic generation module is a simulation model of the foot shape of the user wearing a shoe.
5. The system according to claim 1, wherein the automatic customized shoe last generation module further comprises a shoe-wearing foot shape simulation module; the shoe wearing foot shape simulation module lifts the heel part of the user foot shape model based on the front-back heel difference or the side outline bottom side line of the shoe tree model of the target shoe style; adjusting the foot shape characteristic parameters of the static foot shape model of the user to enable the foot shape bottom surface to be matched with the curve of the shoe tree model bottom surface of the target shoe money; adjusting foot shape characteristic parameters of a user foot shape model based on shoe style characteristic data such as unilateral width compression amount, metatarsal girth compression amount and the like of the target shoe style, so that the width of the half sole of the foot is narrowed, and the height of the half sole of the foot is increased; and generating a simulation model of the shape of the foot of the user wearing the shoe.
6. A system for generating a customized shoe model according to claim 1, wherein the customized sole generation module is configured to generate the customized sole model by inputting the customized last model, the target shoe size design drawing and the shoe design parameters.
7. A system for generating a customized shoe model according to claim 1, wherein the customized sole generation module extends the sole-side contour of the target shoe style design drawing in the width direction of the customized last model, extracts the trajectory of the upper curve of the sole-side contour, and generates the inner sole face model; and extracting the track of the lower curve of the profile at the side of the sole to generate a sole bottom model, and connecting the edges of the sole bottom model and the sole bottom model to generate a customized sole model.
8. A system for generating a customized shoe model according to claim 1, wherein the customized upper generation module is configured to generate the customized upper model by inputting the customized last model, the target shoe style design drawing and the shoe design parameters.
9. A customized shoe model generation system according to claim 1, wherein said customized upper generation module extends the curved surface at the ankle of the customized last model upward to be higher than or equal to the highest point of the curve at the upper-side contour throat of the target shoe style design drawing; cutting the curved surface at the ankle of the extended customized upper model by using the curved surface at the upper-side outline shoe entrance, and removing the part higher than the curved surface at the upper-side outline shoe entrance; adding the vamp thickness parameter to generate a customized vamp model.
10. A system for generating a customized shoe model according to claim 1, wherein the DfAM sole structure generating module is configured to add cellular structures to the customized sole model by using the customized sole model output by the customized sole generating module, or the midsole model and the outsole model as input, with reference to the user sole stress data.
11. The system according to claim 1, wherein the cellular structures are derived from a lattice database, the lattice database being based on relationships established by simulations and comprising cellular geometric parameters and mechanical properties.
12. The system of claim 1, wherein the cellular structure is selected from the group consisting of Diamond curves, gyroid curves, dprime curves, split P curves, I-WP curves, lidino curves, neolius curves, scherk curves, and Schwarz curves, and combinations thereof.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115944141A (en) * | 2022-12-21 | 2023-04-11 | 中国科学院福建物质结构研究所 | 3D printing sole designed based on TPMS and design method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115944141A (en) * | 2022-12-21 | 2023-04-11 | 中国科学院福建物质结构研究所 | 3D printing sole designed based on TPMS and design method thereof |
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