Nut Leia

One of the small frustrations in my life is the lack of captive nuts on the bottom of a printer bed. Leveling the bed is a crazy-making two-handed test of manual dexterity: a wrench in one hand and a screwdriver in the other, and various bits of inconveniently positioned bed hardware.

I thunk to myself: "What if I had a tiny wrench head I could glue in place?"

The OpenSCAD routine takes a parameter for the nut size, in mm, across the flats. If you still live in Imperial Land, you can avoi