Somewhat Fixed Golf Counter (partial SCAD)

THIS HALF-BAKED REMIX HAS BEEN SUPERCEDED. USE THIS ONE INSTEAD:
https://www.thingiverse.com/thing:7305790


////////////////////////////////////////////////////////////////////////////////////////////////////////////////
This is based on #4867466.

The original has a few problems, but the big one is that the number wheel has the wrong number of teeth. As a consequence, only half the numbers will line up with the window, and it's impractical to use it by feel without accumulating error. Note that unlike everyone else, I didn't conspicuously avoid taking photos with odd numbers selected.

I used SCAD to fix the wheel teeth, some geometry artifacts on the parts, and provide optional clearances for assembly. I made the keychain boss tall enough that it can act as a secondary constraint on the lid. I also added some chamfers on the keyring hole and the number window for obvious reasons.

The SCAD file does have some parameters that can be adjusted (clearances, number of teeth), bu