Thingiverse
MakerWorld
MyMiniFactory
Printables
Thangs
Cults
CGTrader
Youmagine
Gambody
Etsy
Tags
Sprockets 3D Printable Models
Rack and Sprocket Module 3
Printables
Paolo
Rack and Sprocket Module 2
Printables
Paolo
10 teeth gear for bike chain type 420
Printables
mmuzik
STEMFIE Infinity Gears
MakerWorld
Stemfie3D
420 roller chain. Modular, with chain lock and sprockets
Thingiverse
Hartvik