Planetary Gear Demonstration

Gadgets

Planetary Gear Demonstration: A kinematic model of a planetary (epicyclic) gear system with rotating gears.

Category	Gadgets
Difficulty	intermediate
Print time	8 h
Material	PLA
Tags	mechanics, gears, kinematics, gear, engineering

Engineer, author of The Big Book of 3D Printing and additive manufacturing expert

Updated on 2 October 2026