Calib cube
thingiverse
This is a 10mm x 10mm cube with x y z axis. You can test the accuracy of the axes.
Download Model from thingiverse
With this file you will be able to print Calib 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 Calib cube.