calibration sphere —
Founded calibration sphere models & stl files for printing
Baumino
Phaedrux
zapta
WidescreenJohn
Wilko
DanielNoree
SeppoTheFish
Prusa Research
veketuz3d
nikki81
ProtomakerSprint
PouOu
matthewlloyd
nikki81
tetralite
AJD
3D Bez Ograniczeń
Uncle Jessy
Chris Barton
Chris1250