This is a flap handle detent for Avid Speedwing Model 'C" (may work with other models).
3 and 5 position variants included.
I printed this in carbon fibre re-enforced filament.
3mm socket head screws and nuts required to assemble
Small spring about 8mm diameter 50mm long required, assembled into handle.
2 cap pieces required.

Prusa

I3 MK3S

Doesn't Matter

No

0.2mm

50%