20mm cube for calibration —

Founded 20mm cube for calibration models & stl files for printing
Calibration Cube
ItsMaxify
Retraction Cubes
MatterHackers
20mm Test Cube
reddaugherty
Lithophane Cube
Jedly33
baby playng cube
Tomas Vondracek
test cube
aless
20mm Calibration Dice
PraetorianCZ
Calibration Jig
Superbrain8