I’ve printed hundreds of prints over a few years. Now I haven’t printed in a few weeks but this is the first time I’ve had a problem like this. This is supposed to be flat. What’s happening?
Bonus video: https://drive.proton.me/urls/74XZH4FVSM#1QqSvXK3MJCF
The audio might be a clue for you to help me troubleshoot


Which pressure advance calibration do you use and why?
I tried the ellis3d model and while I hadn’t got all my start macros together, first time I ran it I crashed the nozzle into the bed and gouged it.
Later attempts with a 0.6mm nozzle also gave me inconsistent and hard to read outcomes.
Instead, I use this two box method on opposite corners of the front of the bed:
https://forum.vorondesign.com/threads/how-to-confirm-your-pressure-advance-value-is-correct.23/
Since then, coupled with the rest of the ellis3D tuning guide, my printer has been DIALLED…