Skew print test 280mm x 280mm

Skew print test

This is a version I made from https://www.thingiverse.com/thing:2805032 design. My use is to verify / adjust CoreXY belts to correct any Askew alignment without modifying software.

I needed a larger version for my 300mm x 300mm bed. This is 280mm x 280mm

Also I made things larger and easier to see if anything is askew.

Placing metal straight edge in 2 corners will press up against large areas, if 2 corners and center all touch with no space at any point all is good. T