simple ender 3 extruder knob
thingiverse
Creality Ender 3 Extruder Knob: Uncomplicated Design Meets Precision Fit. The knob is engineered to provide a snug fit around the extruder shaft, eliminating play and ensuring smooth operation. TinkerCAD Link: https://www.tinkercad.com/things/3Udrg8GHfjC
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