hollow calibration cube —
Founded hollow calibration cube models & stl files for printing
FirstyB
vandragon_de
Janzmvc
Václav Krmela
stanhubrio
Choolengo
lbrombach
Poh
voltivo
RichieC
3DWP
TeachingTech
3DSage
acurazine
MEH4d
gaaZolee
H.O.M.E. Weingarten
Peter Larsen
Grummle
Michal Fanta