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Gearstruder J4 - Dual Drive Extruder

3D model description

Minimal extruder housing for use with the Printrbot Gearhead drive gears, 1.75mm filament, and a NEMA14 motor.

The secondary gear is inserted from the side, and the additional M3 screws or setscrews hold the gear in place and adjust the tension. It's designed to use a bowden coupler from RobotDigg. Make sure the setscrew doesn't stick out on the primary drive gear, especially if using a motor without a D-shaft.

Filament is Emerald Green PETG from Atomic Filament.

There is also a NEMA17 version and info about several other dual drive bowden extruders I've just uploaded on thrinter.com

  • 3D file format: STL

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