Infinity Bed Flatness Test

thingiverse

Human: I made this test piece to evaluate whether my printer bed was flat. It's a grid of lines that are 0.2mm thick with 0.4mm wide lines, the lowest setting I wanted to test on my Da Vinci 1.0 printer. The width of the lines is also the lowest that the slicing software will reliably detect, taking about eight minutes to solve for me. Once printed, it takes around an hour and it looks pretty cool, like a tunnel disappearing into infinity, hence its name. This test showed that my print bed is slightly convex or maybe the printer head dips down in the center because of weak support. Either way, it proves whether your bed is level with the print head. Instructions for 200mm X 200mm bed size: Create this grid on a 195mm X 195mm surface since 200mm on the dot won't be accepted by the slicer. 4.5 Degrees center to center between each radial line and 10mm center to center of each horizontal or vertical line, except for the innermost lines which have 14.6mm spacing because with a 0.4mm line thickness and starting from the outside in on a 195mm bed it leaves an odd number. If needed, I can modify this design but using my SolidWorks file is more efficient.