Adjusting Bed, Not Motors

[Gero]

I love the constant flow new inspiration in the community.
Thanks for sharing! A lot to think about and to copy
I can even see it as the new calibration method as a replacement for the table cloth or wall paper.

Calibration Process Brainstorming, Part Deux

Well, what I was wondering is if you knew if OpenCV had an algorithm to detect error. For instance, the calibration process is expecting it to see the image on the left, but instead it sees the image on the right and then calculate the error as shown in the bottom image… [Drawing3]