Z axis height calibration

Stands for Z axis level (8 mm smooth rod on X)

Print two copies of this thing and you could easliy level your X carriage.

Put them close to the Z axis motors, they will engage the lower 8 mm X carriage rod

Procedure:

Jog your Z axis up to 30 mm

Place the stands on your printer

Jog your Z axis down until both stands are engaged and pressed by the rod

Lift Z axis 20 mm

Remove the stands

Done, you're ready to print or level your bed :)