Description

Harmonic Drive (Strain Wave Gear) – 3D Printed

• Fits Nema17 stepper motor
• Reduction ratio: 30:1
• Two designs included: Cup-style and Pancake-style
• STL and STEP files
• Bill of Materials (BOM)
• Assembly instructions

🔍 Overview

These are the design files for a harmonic drive for a standard NEMA17 stepper motor. Two types of designs are included: the cup harmonic drive and the pancake harmonic drive.

For more details about each design, please check the following links:

• Project Page
• YouTube Design Video
• YouTube Build Video

⚠️ These files are sold as-is, with no warranty. Use at your own risk. No guarantee is made regarding fit, function, or suitability for your application. That said, I’ll do my best to assist with questions or issues if you reach out—your feedback helps improve future versions.