3D College — 3D Printing Guides, Tips & Industry News
Twist Instead of Push: Worm Drives, Helical Gears and the...
3D printed worm drives and helical gears: how to pick a ratio, handle axial thrust, avoid the wrong hand, and print at an angle so the teeth survive load.
Clicks, Paws and Springs: 3D Printing a Mechanism That Steps,...
How to 3D print ratchets, pawls, detents and spring-loaded mechanisms that hold their position: tooth geometry, root stress, spring rate, energy storage and what fails silently.