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1
3D Scan-Based Design
in Product Development Process
Wonsup Lee, PhD
Researcher, Industrial Design Engineering, Delft University of Technology, The Netherlands
Ergonomics Design Consultant, Humanopia, Delft, The Netherlands
2
3D Scanning in PD Process
Design
Planning
Data
Collection
Analysis
Design/
CAD
Proto-
typing
(Virtual)
Evaluation
Finalizing
3
Data Collection
Design
Planning
Data
Collection
Analysis
Design/
CAD
Proto-
typing
(Virtual)
Evaluation
Finalizing
4
3D Body Scanning
Artec hand-held scanner 3dMD scanner
5
Ear Example
? Scanning of the ear including ear canal
Outside Inside Merged
6
Skin Deformation Example
? Scanning of deformed skin through a glass panel
7
3D Scan Datasets in My Research
? [Face] Korean Air Force pilot (n = 336)
? [Head/Full-body] CAESAR North American (n = 2,299)
? [Head] Dutch children (n = 302)
? [Ear] Korean and Caucasian (n = 326)
? [Torso] Size Korea elderly woman (n = 271)
8
4D Scanning: Series of 3D Image Frames
9
4D Scan Example
? Supporting analysis of motion, changes, and skin deformations
10
Important Questions in 3D Data Collection
? Whom to scan? Which target people?
? Age
? Gender
? Ethnicity
? Anthropometric condition (e.g. height > 2 m)
? How many scans?
? Which body part?
?
11
Data Analysis & Design
Design
Planning
Data
Collection
Analysis
Design/
CAD
Proto-
typing
(Virtual)
Evaluation
Finalizing
12
Anthropometry for Size Determination
Where to measure?
? 3D anthropometry: Measurements from 3D scans
13
Body Size & Representative Models
1st
5th
95th
99th
1 head height 334 238.7 9.6 212.5 263.0 214.7 223.3 255.0 258.8
2 head breadth 335 160.9 6.4 123.5 180.5 146.4 151.4 171.2 175.3
3 head length 335 187.0 6.9 162.0 204.0 168.2 177.0 198.5 202.0
4 head circumference 335 564.5 13.5 516.5 604.5 533.4 543.2 587.2 596.2
5 face length 336 123.4 6.1 106.7 140.4 108.0 113.1 133.2 136.6
6 lower face length 336 69.1 4.5 57.5 83.6 58.6 61.8 76.3 79.4
7 sellion-bottom lip length 336 97.1 5.2 80.7 114.1 85.3 88.3 104.7 109.4
8 bottom lip-menton length 336 26.4 3.0 18.6 36.2 19.7 21.4 31.0 34.6
9 nasal bridge-menton length 336 109.1 5.5 93.2 124.3 95.8 99.8 117.7 120.8
10 nasal bridge-chin length 336 95.8 5.6 78.2 108.9 83.7 86.7 104.9 108.1
11 chin-menton length 336 13.3 2.5 4.9 20.6 7.9 9.5 17.6 19.1
12 nose length 336 54.3 3.4 43.2 62.2 46.6 48.6 60.3 61.9
13 nose protrusion 336 18.4 1.9 12.9 23.9 14.2 15.3 21.6 23.0
14 face width 336 154.8 6.4 132.4 171.5 138.6 144.0 164.2 168.2
15 chin width 336 130.3 8.6 105.4 156.7 112.5 116.5 144.6 150.8
16 minimum nasal bridge breadth 336 20.0 2.8 12.3 27.7 14.0 15.2 24.6 26.8
17 maximum nasal bridge breadth 336 30.5 2.8 22.3 37.7 24.2 25.6 35.3 36.7
18 nose width 336 37.6 2.7 30.3 45.8 31.8 33.4 42.4 43.8
19 lip width 336 49.1 3.8 38.5 58.2 40.7 42.6 55.5 57.4
20 bitragion-menton arc 336 313.7 16.2 269.0 361.1 273.5 284.1 339.1 347.3
21 bitragion-subnasale arc 336 283.0 12.9 234.9 319.6 252.1 263.1 304.5 312.1
22 bizygomatic-menton arc 336 304.8 14.5 261.3 339.6 267.0 277.8 327.6 336.2
No. Anthropometric dimension
Percentile
MaxMinSDMeann
5%ile 25%ile 75%ile 95%ile
14
Making Physical Representative Forms
15
Design based on Representative Models
Size Korea
elderly woman
(n = 270)
Representative sizes
(Digital models)
3D-printed models
Hip Protector
Design
16
Using Size/Shape Variation for Design
lip
nose
Aligned at sellion
chin
Mid-sagittal cross-section curves
for designing one of critical part
in medical oxygen mask
Analysis of
nasal root part
Variation of nasal root
eye level
variation
variation
17
Ear-Root Shape Variation for Ear Hook Design
Filtering
Searching
average curve
1. Design of the form
2. Adjustable range
(coverage)
18
Virtual Evaluation
Design
Planning
Data
Collection
Analysis
Design/
CAD
Proto-
typing
(Virtual)
Evaluation
Finalizing
19
Fit Analysis: Visual Check
20
Fit Analysis: Fit Map Analysis
? Analysis of fit between 3D forms of human and product
hard fit around
forehead, nose,
and cheek
loose fit at side
? Tightly wear for
fitting
? Higher discomfort at
forehead, nose, cheek
21
Virtual Fit Evaluation
? Efficiency: Automatic analysis of fit with hundreds of people
? Applicable to search optimal form of a product
22
Virtual & Physical Evaluation
Prototyping
Iterative
Design
Adjustment
Virtual
Evaluation
Design/CAD
Physical
Evaluation
? Optimize design virtually
? Minimize cost/time for prototyping and
usability test
23
Finite Element Analysis
? FEA can be used for contact pressure estimation
24
Summary
? Roughly introduced the applicability of 3D scanning in PD process
? Design based on (1) anthropometric size & (2) shape variations
? Size Measurement ? Product Design
? Size Measurement ? Representative Models ? Product Design
? Shape Variation ? Product Design
? (3) Design ? Virtual Evaluation iteration to find an optimized shape
Design
Planning
Data
Collection
Analysis
Design/
CAD
Proto-
typing
(Virtual)
Evaluation
Finalizing
25
Thank you
Wonsup Lee, PhD (mcury83@gmail.com)

More Related Content

3D Scan Based Design in Product Development Process

  • 1. 1 3D Scan-Based Design in Product Development Process Wonsup Lee, PhD Researcher, Industrial Design Engineering, Delft University of Technology, The Netherlands Ergonomics Design Consultant, Humanopia, Delft, The Netherlands
  • 2. 2 3D Scanning in PD Process Design Planning Data Collection Analysis Design/ CAD Proto- typing (Virtual) Evaluation Finalizing
  • 4. 4 3D Body Scanning Artec hand-held scanner 3dMD scanner
  • 5. 5 Ear Example ? Scanning of the ear including ear canal Outside Inside Merged
  • 6. 6 Skin Deformation Example ? Scanning of deformed skin through a glass panel
  • 7. 7 3D Scan Datasets in My Research ? [Face] Korean Air Force pilot (n = 336) ? [Head/Full-body] CAESAR North American (n = 2,299) ? [Head] Dutch children (n = 302) ? [Ear] Korean and Caucasian (n = 326) ? [Torso] Size Korea elderly woman (n = 271)
  • 8. 8 4D Scanning: Series of 3D Image Frames
  • 9. 9 4D Scan Example ? Supporting analysis of motion, changes, and skin deformations
  • 10. 10 Important Questions in 3D Data Collection ? Whom to scan? Which target people? ? Age ? Gender ? Ethnicity ? Anthropometric condition (e.g. height > 2 m) ? How many scans? ? Which body part? ?
  • 11. 11 Data Analysis & Design Design Planning Data Collection Analysis Design/ CAD Proto- typing (Virtual) Evaluation Finalizing
  • 12. 12 Anthropometry for Size Determination Where to measure? ? 3D anthropometry: Measurements from 3D scans
  • 13. 13 Body Size & Representative Models 1st 5th 95th 99th 1 head height 334 238.7 9.6 212.5 263.0 214.7 223.3 255.0 258.8 2 head breadth 335 160.9 6.4 123.5 180.5 146.4 151.4 171.2 175.3 3 head length 335 187.0 6.9 162.0 204.0 168.2 177.0 198.5 202.0 4 head circumference 335 564.5 13.5 516.5 604.5 533.4 543.2 587.2 596.2 5 face length 336 123.4 6.1 106.7 140.4 108.0 113.1 133.2 136.6 6 lower face length 336 69.1 4.5 57.5 83.6 58.6 61.8 76.3 79.4 7 sellion-bottom lip length 336 97.1 5.2 80.7 114.1 85.3 88.3 104.7 109.4 8 bottom lip-menton length 336 26.4 3.0 18.6 36.2 19.7 21.4 31.0 34.6 9 nasal bridge-menton length 336 109.1 5.5 93.2 124.3 95.8 99.8 117.7 120.8 10 nasal bridge-chin length 336 95.8 5.6 78.2 108.9 83.7 86.7 104.9 108.1 11 chin-menton length 336 13.3 2.5 4.9 20.6 7.9 9.5 17.6 19.1 12 nose length 336 54.3 3.4 43.2 62.2 46.6 48.6 60.3 61.9 13 nose protrusion 336 18.4 1.9 12.9 23.9 14.2 15.3 21.6 23.0 14 face width 336 154.8 6.4 132.4 171.5 138.6 144.0 164.2 168.2 15 chin width 336 130.3 8.6 105.4 156.7 112.5 116.5 144.6 150.8 16 minimum nasal bridge breadth 336 20.0 2.8 12.3 27.7 14.0 15.2 24.6 26.8 17 maximum nasal bridge breadth 336 30.5 2.8 22.3 37.7 24.2 25.6 35.3 36.7 18 nose width 336 37.6 2.7 30.3 45.8 31.8 33.4 42.4 43.8 19 lip width 336 49.1 3.8 38.5 58.2 40.7 42.6 55.5 57.4 20 bitragion-menton arc 336 313.7 16.2 269.0 361.1 273.5 284.1 339.1 347.3 21 bitragion-subnasale arc 336 283.0 12.9 234.9 319.6 252.1 263.1 304.5 312.1 22 bizygomatic-menton arc 336 304.8 14.5 261.3 339.6 267.0 277.8 327.6 336.2 No. Anthropometric dimension Percentile MaxMinSDMeann 5%ile 25%ile 75%ile 95%ile
  • 15. 15 Design based on Representative Models Size Korea elderly woman (n = 270) Representative sizes (Digital models) 3D-printed models Hip Protector Design
  • 16. 16 Using Size/Shape Variation for Design lip nose Aligned at sellion chin Mid-sagittal cross-section curves for designing one of critical part in medical oxygen mask Analysis of nasal root part Variation of nasal root eye level variation variation
  • 17. 17 Ear-Root Shape Variation for Ear Hook Design Filtering Searching average curve 1. Design of the form 2. Adjustable range (coverage)
  • 20. 20 Fit Analysis: Fit Map Analysis ? Analysis of fit between 3D forms of human and product hard fit around forehead, nose, and cheek loose fit at side ? Tightly wear for fitting ? Higher discomfort at forehead, nose, cheek
  • 21. 21 Virtual Fit Evaluation ? Efficiency: Automatic analysis of fit with hundreds of people ? Applicable to search optimal form of a product
  • 22. 22 Virtual & Physical Evaluation Prototyping Iterative Design Adjustment Virtual Evaluation Design/CAD Physical Evaluation ? Optimize design virtually ? Minimize cost/time for prototyping and usability test
  • 23. 23 Finite Element Analysis ? FEA can be used for contact pressure estimation
  • 24. 24 Summary ? Roughly introduced the applicability of 3D scanning in PD process ? Design based on (1) anthropometric size & (2) shape variations ? Size Measurement ? Product Design ? Size Measurement ? Representative Models ? Product Design ? Shape Variation ? Product Design ? (3) Design ? Virtual Evaluation iteration to find an optimized shape Design Planning Data Collection Analysis Design/ CAD Proto- typing (Virtual) Evaluation Finalizing
  • 25. 25 Thank you Wonsup Lee, PhD (mcury83@gmail.com)