The file 'Redcorners Knob 3D Printer Model' is (scad,stl) file type, size is 45.2KB.
This remix is made to replace Redcorners (aka USDR+) radio knob.video->
https://youtu.be/egq6aQU18SI
I've used ABS, maybe any works.
Use tolerance or scale to register fitting.