simple retraction test —
Founded simple retraction test models & stl files for printing
Stefan_Alberts_
Sharad
deltapenguin
Goury
Marteinn - 3DP Iceland
Damiano_PL
FoxyLad
JohnOCFII
wemperor
jacekpom
AMT
thenerdyreview
CJS9000
Loohney
Creeju
mrichardson
Aravon
Molten Layers
FlGUI
porlock