small calibration object —
Founded small calibration object models & stl files for printing
Nils Kal
Kubiczek
whpthomas
AndyPants
AmeraLabs
CHARL13
agepbiz
voltivo
EnginEli
RichieC
TeachingTech
MEH4d
gaaZolee
fdumi
ograymic
H.O.M.E. Weingarten
Peter Larsen
Grummle
riskable
GKMAKEIT