Ender 3  CR10 Extruder knob
Free     Thingiverse     Palodion

Ender 3 / CR-10 Extruder knob

An Extruder knob for the Ender 3 and much more 3D Printers tested on 02 and 03 but i recommend printing it 02 No Support needed ...

similar models —

Ender 3 / CR-10 Extruder knob alternatives