small calibration object —
Founded small calibration object models & stl files for printing
Nyooooom
3DPrintBeginner
jq910
Matrix
RW444
Mi Sch
FastOrange
kunaa
HD_Creator
Breaks'n'Makes
Boyson-IPL
jq910
BrianGrossmiller
BrianGrossmiller
bogdiliq
Steve H
Poobza
3DPicks
Area51
Stoneman