About this 3D model

My stove knob is broken, so I print one replacement.There are some variation knob you can find at:http://www.thingiverse.com/thing:1366http://www.thingiverse.com/thing:1962http://www.thingiverse.com/thing:7348Mine design has solid body with a square hole on the bottom.I made the hole smaller than the axis to get better fit.