Bed Leveling Adhesion Test

Simple but effective bed adhesion test for your 3D printer to verify if your bed leveling is correct.
The model is shaped to be only one layer tall so you can peel it just right off and not waste material. The xy dimensions are calibrated for my 300x300 Anycubic Mega X, but simple adjustments in your slicer will fix that.
Try to position the four rectangles just above your bed springs.