improved extruder drive wheel for Cupcake CNC. This adds a radiused, recessed edge to better center the filament, and a chamfer on one side to permit easier bearing installation. It is a little thicker, and because the standard acrylic one is brittle, the standard part is easy to break in use. Suggest making it in stainless steel. for a super strong part.

Dimensions

IN: 1.596 w x 0.125 d x 1.595 h
CM: 4.054 w x 0.318 d x 4.052 h

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