Large Extruder Gear - Wade's Extruder - Printrbot Jr - desktop 3d printer

Thingiverse file 138493

But with the bolt head recessed an additional 2mm to improve alignment of the filament with the hob in the bolt

Printrbot Jr


IN: 2.511 w x 0.472 d x 2.511 h
CM: 6.378 w x 1.2 d x 6.378 h


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