First height map not good

[cardoc]

You cropped the picture of the mesh such that the RANGE doesn’t show. What is it?

Quick fix is to use tape to level out the top of the magnet sheet.

Taco bed (new style)

Update: So the middle was not actually bolted down to the printbed frame as I thought. You can actually push it down and it will ‘spring’ back up just like at the corners. It just needs a lot more force. I could not see a way to adjust the height in the middle other than by adding more tape there so I continued with that. I was getting some heightmap measurements that would vary a lot, even if I did not change anything to the plate or bed, for repeated measurements at the same temperature. I s…