In order to feed the filament into the nozzle, you need a stepper motor driven drive 'gear'. This drive gear is made from brass with sharp teeth to bite into the filament..
- Filament Diameter: 1.75mm or 3mm
- Outer diameter: 10.75mm
- Bore: 5mm
- Length: 11mm
- Shaft Fixing: Two M3 at 90 Angle
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