3D Print Gear Test, 3D CAD Model Library

Tribology Tests of 3D Printed Material, Test Laboratory

Custom Metal 3D Printing Service - Online Metal Parts and Quote

Understanding STL Files for 3D Printing

AnkerMake M5 3D Printer, High-Speed, Speed Upgraded to 500 mm/s, Fast Mode, Smooth Detail, Intuitive Control, Error Detection with AI Camera, Auto-Leveling, Integrated Die-Cast Aluminum Alloy : Industrial & Scientific

Create Model Targets from 3D Scans and Images

If you need gears for your project I can highly recommend trying self-centering herringbone gears - they are really nice : r/3Dprinting

3D Print Gear Test, 3D CAD Model Library

3D Printing - Sales, Service and Support

Teaming Up on Large-Format 3D Printing