Bed Flatness test model

If you want to know exactly how crooked your glass, mirror and the aluminum bed are, or if your X gantry is not in perfect level, run this test.

edit: Be sure to level the bed as you usually do before running this. You can use this to level the bed and you will try to adjust as its working but it takes at least an hour for the first layer. Its better if the bed is already leveled. i recommend and use Tacblades Easy leveling: https://www.youtube.com/watch?v=gkZUAyTxU1Q

Both models are th