square calibration
thingiverse
Check print quality on the machine using the print bed as a reference point. Ensure the printed object has not been removed from the bed yet. Inspect its alignment while still on the bed, make any necessary adjustments, then carefully lift it off the bed for re-printing.
Download Model from thingiverse
With this file you will be able to print square calibration 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 square calibration.