camera mount arm for prusa mk3s+

originally designed for a raspberry camera v1 mount, but the if an arm with a hole for a m3 screw is useful for you - then here is your arm.

remixed the arm of https://www.thingiverse.com/thing:2736439

print this in pteg please, the printbed would be too hot for pla.

the original model's arm did not work for mk3s+, so i designed my own (in tinkercad). simple, but works.