screws with opposing double threads —
Founded screws with opposing double threads models & stl files for printing
bvogl
bjripp
EddyMI3D
Cédric
GerryPB
KaiL
3D_CC_design
amarten1
MlePh
MlePh
Printing Programmer
federico.redaelli
ulasarda
Obolski
Udo's 3D World
shiura
rmpel
2hot6ft2
zhwang168
Protonik