bare minimum retraction test —
Founded bare minimum retraction test models & stl files for printing
kylemakesstuff
CGO3D
Inventorsquare
DoritoMojito
robertgcode
DSpecter
gunnarallison
Fanatical Detail Maniac
Spellbound-Prints
kikko_fr
Polymaker_3D
MakerBlock
Creative Tools
Marteinn - 3DP Iceland
Luke's 3D
Michal Fanta
Wilko
Joe Balough
Prusa Research
Kimframes