calibration cube
thingiverse
A precision calibration cube measuring 20mm on each side, boasting walls just 2mm thick, serves as a sturdy reference for tracking X, Y, Z coordinates.
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With this file you will be able to print calibration cube with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on calibration cube.