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3D Printed Nema 17 Strain Wave Gear (Harmonic Drive)

Creation quality: 3.8/5 (6 votes)
Evaluation of members on the printability, utility, level of detail, etc.


Licence CULTS - Private Use
Last update 2023-05-29 at 22:02
Publication date 2022-11-07 at 22:10
Design number 915356
3D design format
ZIP Folder details Close
  • Nema 17 Plastic Strain Wave Gear
    • Component List.txt
    • STEP/readme.txt
    • STEP/6. Cover.STEP
    • STL/readme.txt
    • STL/6. Cover.STL
    • STL/5. Circular Spline.STL
    • STL/4. Wave Generator.STL
    • STL/2. Base.STL
    • STL/1. Hub.STL
    • STL/3. Flex Spline.STL

Learn more about the formats

3D printer file info

3D model description

Strain wave gear 3D Model (Harmonic Drive)
Model based on split circular spline for NEMA17 Stepper Motor with D-Cut axis.

  • Static circular spline: 62 teeth
  • Flex spline: 62 teeth
  • Dynamic circular spline: 64 teeth

Gear reduction ratio: 32:1

- STL CAD files
- Component List (with link)

YouTube full assembly video:

YouTube strain wave generator assembly video:

3D printing settings

Material PLA
215° Nozzle Temperature
60° Bed Temperature
0.2 mm Layer
Nozzle 0.4 mm
Infill 100%
No support required


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