3D Models of Gears for 3D Printing - Instructables

Design of the Week: 3D Printed Earth Clock « Fabbaloo

A Practical Guide to FDM 3D Printing Gears –

3D Printed Automaton: 12 Incredible Designs

gears 3D Models to Print - yeggi

3D Printing Moving Parts Fully Assembled - 28-Geared Cube : 3 Steps - Instructables

Bevel Gear tester with parametric gears by MeideC, Download free STL model

3D Models of Gears for 3D Printing - Instructables

3D Printed Mechanisms: Rack & Pinion, Iris Box, & More

A Simple 3D Printed Scotch Yoke Mechanism. - Instructables

Development of affordable 3D food printer with an exchangeable syringe-pump mechanism - ScienceDirect

Make a Gear From Scratch (in Fusion 360!) : 4 Steps (with Pictures) - Instructables

Darrieus Wind Turbine From Pencils and 3d Printed Parts by adriancubas, Download free STL model