cube - fdm test calibration print

simple extended 3d cube (20x20x20mm) with (10x10x10mm) extension and 1mm wall thickness extension for printer calibration.
has fillet, chamfer and 5mm dia. through hole.
use with vernier callipers to help check your x y z scale settings.
sides are marked with the x y z axis, align this in your slicer correctly (should be correct when dragged into cura, else see photo on print bed) when printed you don't have to remember which axis is which when measuring as they are marked.
This is only a small cube so be cautious if you are using this to adjust x y z step values! Mostly useful for visual checking and tweaking if you think something is out somewhere on each axis...