calibration sphere —
Founded calibration sphere models & stl files for printing
Slimprint
Thought_Builder
jjrobots
StarrySkies
anv3d
JohnOCFII
XSF1
Tony Youngblood
3DPrintBunny
ELRAZ
Maks
Majkl
Michael Yakubov
Jake Reeves
Maciej
RFBomb
sarvenn
DreamsVoid
projetsdiy
lyMaker