calibration sphere —
Founded calibration sphere models & stl files for printing
destroyer2012
Macguyver
SavageRodent
m4rc3lv
smily77
carter_383
MatterHackers
TheTNR
tankgrrl
alexmordue
Sideeffect001
ZenziWerken
BrianEnigma
3Dadicto
EdricePrints
Markellov
MaxFunkner
bld
emmett
Lion4H