pins modified for m3 screws —

Founded pins modified for m3 screws models & stl files for printing
Screw box
heavymineral
Screw Top Hockey Puck
ThisVersion
Screw holder  hex shank
Printing Programmer
Screwtop Pot
TechAssess3D
Screw  Bolt Box
Kraken3DPrinting
Case for inks
SHR3D.eu