Hey!
Please try do print this calibration cube.
https://we.tl/t-oiPmgKx4AS
I use Cura 4.6.1. I have problem with bumps on layers. I'm trying figure where the problem is. SKR Mini, Z screw or Cura
reddit post: https://www.reddit.com/r/ender3/comments/ggf90n/skr_mini_v12_issue_need_tips_to_figure_where_the/
Reddit user posted that screen when checking gcode:
Here is mine from Cura: