Radioknob M10

Radio knob that fits to M10 threaded shaft or 8.5 mm shaft. 

1. Print with 80% infill and support. If you print upside down on an engineering plate you get nicer surface on top.
2. Thread with M10 threading tool
3. Cut a piece of flourescent 1.75 mm filament and put in pocket on top of knob
4. After mounting on shaft use a small screw on hole in back of knob to secure it. 

Change size, made taller and added pocket for flourescent filament. Added pointer. Made the top flat.