Robotics · Domechy
3D Printed Mobile Robot with Track
A compact tracked robot chassis built for makers who want to get into robotics without breaking the bank. Works with common hobby electronics and fits on small print beds.
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About this model
A proper robot chassis you can actually print at home.
The DZ01 is a compact tracked robot chassis designed for hobbyist makers. It works with the WeMos D1 Mini, DRV8833 motor driver, HC-SR04 ultrasonic sensor, and standard TT DC motors — all affordable and easy to source. All parts fit on a 120×120 mm print bed with no supports needed. A good starting point for obstacle avoidance or autonomous navigation projects.
STL files
All parts in high-quality STL format, print-ready.
Hardware list + assembly notes
Components list and step-by-step assembly guidance.
Personal use license
Personal use only. Commercial use not included.
Recommended print settings
How to print this model.
| Material | PETG |
| Layer Height | 0.20 mm |
| Infill | 25 – 35% |
| Supports | Not required |
| Min. Bed Size | 120 × 120 mm |
| Printer Type | FDM |
Assembly Notes
- Tolerances are optimized for common FDM printers. Some parts may need light sanding or minor fit adjustment depending on your machine.
- Uses modular screw-based assembly — easy to take apart and reassemble for maintenance.
- Compatible with standard TT DC motors and small Li-Po or AAA battery packs.
