retraction and string test with steps —

Founded retraction and string test with steps models & stl files for printing
GoPro Snap Base
LilMikey
Syringe
Thorin Oakenshield
Retraction test
deltapenguin
Retraction Test
FoxyLad
CupandBall
Nicholas
Overhang test piece
Lars Clausen
Voronoi Test Surface 1
bob_borygmus