3D Printed Gearbox: How to Design Your Own Box

planetary gearbox 3D Models to Print - yeggi

3d Printed Box

DIY Peristaltic Pump

Mecanum Wheel Rover by Madox - Thingiverse

Homemade GENERATOR GEARBOX power almost any usb device.

Gearboxes [243:1 ratio] – 3D Printer Academy

Model available for download in Autodesk FBX format. Visit CGTrader and browse more than 1 million 3D models, including 3D print and real-time assets

3D printable- High Torque Modular Gearbox | 3D Print Model

How to Design and 3D print basic spur gears, and how to attach

3D Printed Gears: How to Make Them