FreeSherpa Mini Mellow RIDGA
Printables
10 model
Free
FreePrintrbot Helical Extruder Gears
Thingiverse
FreePrintrbot Helical Extruder Gears (Large & Small)
Thingiverse
FreeBeefier helical extruder gears for printrbot
Thingiverse
FreeOrnithopter mechanism with duble-helical gears
Printables
FreeRight Angle Helical Gears
Thingiverse
FreeK8200 Velleman helical gears for the extruder.
Thingiverse
FreePiston Engine Mechanical Sculpture (With Dual Stage Fan and Double Helical Gears)
Printables
FreeHeliCube
Printables
FreeKnurled 8P Herringbone Planetary Gear Bearing
Printables