Bed leveling tool for Prusa MK3 MK2 and s

thingiverse

This is a straightforward test tool for a 210mm x 250mm bed. It's designed to run with a layer height of 0.2mm, and it won't exceed the first layer. The test starts at the right top corner, so have your pencil and paper ready. Write down the "Live Z" value for each row as you go along. If there's empty space on the line, you'll need to lower the value to negative. On the other hand, if the lines are collapsing into one another, give the value a positive boost to raise the hotend bit. My own test was most effective when the Live Z value reached -1.170mm, indicating that I needed to lift the bed slightly at the left top corner.