basic retraction test —
Founded basic retraction test models & stl files for printing
iDig3Dprinting
Greybeard3D
Aravon
Matt Boyer
Pea Prog
rebeltaz
MatterHackers
CPS007
DanZbo
Breaks'n'Makes
leejsmith
Lossim
Cedric
kylemakesstuff
CGO3D
Inventorsquare
DoritoMojito
robertgcode
DSpecter
gunnarallison