Extruder Knob - Creality Ender 3 Pro
thingiverse
A remix of https://www.thingiverse.com/thing:3176144 I adjusted the size of the whole to fit better around the Ender 3 Pro extruder pin. So you should be able to print this at 100% size and be good to go. Print upside-down like in the stl file, so that you don't need any supports.
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