A friend who read about my chain mail armor asked about handcuffs, so I ran off one of gianteye’s Printable Handcuffs V1.0:
Alas, that shows the difficulty of using an STL file designed for a different printer, as the interlocking parts didn’t even come close to fitting and required major abrasive adjustment with a Dremel. One of the few successful prints reported on Thingiverse seems involve a commercial printer, so it’s not just the M2’s problem.
I’m not sufficiently motivated to conjure an OpenSCAD model right now…
The Smell of Molten Projects in the Morning 