Printrbot Helical Extruder Gears (Large & Small)
thingiverse
Helical gears for the Printrbot Extruder, compatible with all Printrbot models that use the 8mm bolt. Instructions These gears were modelled in Solidworks using similar dimensions to the laser cut gears provided with the Printrbot. Designed to easily replace the existing gears with the same M3 bolts for the small gear and the 8mm bolt for the large gear.
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