Which 3D printable gear performs the best you think? PCBWAY: https://www.pcbway.com

I've used almost all types of 3d printing gears and wondered which one performs the best. So I made some speed, torque and sound test for spur, helical and herringbone gears.

At the end of this video, when you are going to do a mechanical project where you need to use a gearbox or gear, you will learn which gear type you should use, which I think is an important topic.