z offset calibration disc —

Founded z offset calibration disc models & stl files for printing
Bridge Test
TheMisterBiggs
Ornament disc
Timurgimran
Clipeus of Zeus Amun
Scan The World
Retracton Test
thenerdyreview
Music Plinko
Enginerding21
Retraction Cubes
MatterHackers
Test dice
mino1970
Retraction Tower
Fab3DLab