Hot Knob, Cool Fix

Convection stoves and steel pot lids are a bad combination. The lid handles are solid steel — elegant, heat-conducting, unforgiving. After burning myself one too many times checking on a sauce, I decided the 3D printer was going to fix this. The concept was simple: a snug cap that slips over the existing knob and gives you something that doesn't conduct heat. PETG was the obvious material choice —…