This is a control knob I designed when the one for my crockpot broke off. I printed in black PETG at 0.2mm layer height. Any filament should work, but be careful to pick something that can withstand the exterior heat. It has a long leg that lines up with the temperature settings for better visualization.
It fits well onto the crockpot switch and stay firm without any need for glue.
I added a STP file for editing.
The author marked this model as their own original creation.