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Design of a 3D Adaptive Regeneration Model for Sports Soles Cover

Design of a 3D Adaptive Regeneration Model for Sports Soles

Open Access
|Dec 2025

Figures & Tables

Fig. 1.

Design framework of recycled sneakers based on 3D parametric modeling and adaptive model
Design framework of recycled sneakers based on 3D parametric modeling and adaptive model

Fig. 2.

Stl format model of foot type 3D point cloud
Stl format model of foot type 3D point cloud

Fig. 3.

Extraction of sole contour of shoe last
Extraction of sole contour of shoe last

Fig. 4.

Layered modeling process of the midsole in sports shoes
Layered modeling process of the midsole in sports shoes

Fig. 5.

Parametric design process of shoe midsole model
Parametric design process of shoe midsole model

Fig. 6.

Initial contour drawing of sole extracted from digital shoe last
Initial contour drawing of sole extracted from digital shoe last

Fig. 7.

Design drawing of length and width orientation and shape setting dimension marking of midsole contour
Design drawing of length and width orientation and shape setting dimension marking of midsole contour

Fig. 8.

Sketch of the outline of the midsole of shoes displaying the dimension code after redimensioning and constraint
Sketch of the outline of the midsole of shoes displaying the dimension code after redimensioning and constraint

Fig. 9.

Definition and design of some dimensional parameters in the thickness direction of the midsole model
Definition and design of some dimensional parameters in the thickness direction of the midsole model

Fig. 10.

Parametric generation of different types of new models
Parametric generation of different types of new models

Fig. 11.

Parametric design and digital assembly of insole
Parametric design and digital assembly of insole

Fig. 12.

Design process of outsole shape and digital virtual assembly of midsole and outsole
Design process of outsole shape and digital virtual assembly of midsole and outsole

Fig. 13.

Matching design between sole structures
Matching design between sole structures

Design of parameter name, size code and size value relationship in the width direction and length direction of the sketch outline of the shoe midsole

Size CodeParameter NameSize ValueParameter relationshipSize CodeParameter NameSize ValueParameter relationship

sd309w745w8=w7sd329L10117L1=L10
sd291w118w1=w2-15sd291L1117L10=L1
sd299w232w2=w3-3sd299L2105L2=L1-12
sd301w335w3=w4+2sd301L376L3=L2-29
sd301w432w4=w5+1sd301L426L4=L3-50
sd297w531w5=w6-8sd297L516L5=L4-10
sd305w639w6=w7-6sd305L638L6=L5+22
sd308w845w8=w7sd308L773L7=L6+35
sd304w939w9=w8-6sd304L8100L8=L7+27
sd296w1028w10=w9-11sd296L9114L9=L8+14
sd288w1115w11=w10-13sd288L11112L11=L10-5
sd287w129w12=w11-6sd287L1296L12=L11-16
sd295w1326w13=w12+17sd295L1370L13=L12-26
sd305w1439w14=w13+13sd305L1446L14=L13-24
sd310w1545w15=w14+6sd310L1549L15=L14+3
sd307w1644w16=w15-1sd307L1616L16=L15-33
sd303w1738w17=w16-6sd303L1752L17=L16+36
sd300w1832w18=w17-6sd300L1873L18=L17+21
sd293w1921w19=w18-9sd293L19100L19=L18+27
sd326w203w20=w19-20sd326L20114L20=L19+14

Foot shape data of 3D intelligent plantar scanning instrument

NO.ParameterLeft FootRight Foot
0Foot length234.014233.978
1Toe diagonal width80.93682.729
2Anterior width of metatarsophalange82.59381.090
3Metatarsophalangeal oblique width85.24487.084
4Toe oblique circumference183.916184.593
5Anterior circumference of metatarsophalange190.255185.235
6Metatarsophalangeal oblique circumference205.862207.322
7Foot waist circumference205.001205.943
8Tarsal circumference206.074207.858
9Back circumference213.915213.770
10Foot arch height5.0585.061
11Tarsal height48.98750.404
12Location length147.359147.336
13Thumb flip angle10.5409.989
14Heel width63.84262.438
15Thumb height21.89219.377

Names, codes and relationships of some key parameters in the height direction of the midsole model

Size CodeParameter NameSize ValueParameter Relationship

sd1H13636
sd12H237H2=H1+1
sd15H334H3=H2-3
sd18H416H4=H3-18
sd20H515H5=H4-1
sd1H620H6=H1-16
sd13H722H7=H6+2
sd16H823H8=L7+1
sd20H913H9=H8-10
sd21H1019H10=H9+6
DOI: https://doi.org/10.2478/ftee-2025-0012 | Journal eISSN: 2300-7354 | Journal ISSN: 1230-3666
Language: English
Page range: 97 - 108
Published on: Dec 25, 2025
In partnership with: Paradigm Publishing Services
Publication frequency: Volume open

© 2025 Xia Wen, Guopeng Qiu, Wen Ren, Shutao Wei, Huilian Dai, published by Łukasiewicz Research Network, Institute of Biopolymers and Chemical Fibres
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.