Bed Level Calibration Ruler

A simple comprehensive ruler to check your build platform leveling. I use this to get a really finely adjusted surface for my prints.

Instructions:

1. Scale the model in your slicer software to your layer height
2. Set first layer height to 100%
3. Print
4. Let build platform cool and carefully peel the print up
5. Using calipers, measure across the 3 circular areas. On my Powerspec Ultra 3d these correspond to the locations of the set screws for my platform. These should all be with +