D-Shaft Stove Knob

Spurred by outrageous prices on replacement stove knobs in the store, I decided to make my own... It was a great exercise in improving my 3D design skills. This knob should fit many brands of electric stoves; Mine is a Wards (old), but it uses a standard 1/4" D-shaft. I made several iterations, but wound up using the "Knob only lg hole" and the "Knob skirt" for the knob in the photo.
Many stoves that use an 8-position knob for the burners can use these. I have included the 123D design file for