Parametric knob for keyed stems (fans, crock pots, etc.)

thingiverse

I design a parametric knob that seamlessly fits onto a keyed stem, essentially a cylinder with a truncated edge. Faced with a missing knob on our crock pot, I took matters into my own hands and created this replacement. The result is nothing short of fantastic! A small depressed indicator circle clearly marks the direction of the pointer, and adding a tiny dab of paint to the circle enhances visibility even further.