M3 Knob W/ Hex Cutout

thingiverse

The original design used square cut outs for M3 nut inserts. The frame cutout is fine as the hex will sit in the slot just fine, however, the knob I didnt like the idea of using the square cut for the simple fact that if be used repeatedly the nut would eventually spin when tightening and loosening the pivot. So here you go...