Ender 3 - 9 Disk Bed Levelling with Pause & Skirt

For Ender 3 or Ender 3 Pro. Prints a maximum sized skirt (watch those clips) in 10 rounds, pausing on each lap for adjustments. I recommend tramming with a piece of paper to rough in the level first. When the print pauses, adjust only the worst corner as it will affect the others. After 10 laps, it will print 9 circles for gauging.