Set of 5 cubes and one 12mm diameter peg to test the tolerance of your 3D printer ( and settings).

Measurements are in millimeters (mm). 

Downloaded tests did not work for my printer so I created my own, and it worked-out great! Be mindful of the settings because that is just as important as the hardware in printing accuracy. Cura users should go into their experimental settings and select the “Exclusive” option. You can do with it as you please! Enjoy!