The file 'Christian Fish Ender 3 / CR10 Extruder Knob 3D Printer Model' is (stl) file type, size is 154.0KB.
This is a mix of
https://www.thingiverse.com/thing:3109769
and
https://www.thingiverse.com/thing:675797
with a little post to hold them together!
Works great. Printed straight up with tree supports.
Fish_Extruder_Knob.stl | 432.3KB |