small calibration object —
Founded small calibration object models & stl files for printing
sjdennis
kenwebart
agepbiz
LMF5000
Julek
agepbiz
agibson2
Patrik_prit
Katz Creates
R3D
SteL
jonnieZG
wafflecart
RamjetX
S-Pikey
J Hedel
porlock
twiesner
martin_au
Turtle_Dude