Medium sized Extruder knob with a rotation indicator.
Rotation Indicator: Fill the small hole with a droplet paint.
Mount the knob if needed with a M3 insert.
Usefull for any Extruder with a Dshaft of 5mm. Tested on Ender 5 pro.
Check also my other designs: https://www.prusaprinters.org/social/201278-hans/prints
The author hasn't provided the model origin yet.