One the most awesome things I have found on Thingiverse.
30% - Grid
4mm Brim - PrusaSlicer Multi-Color Print - Did Not Use MMU2S.
That's my life..... got to print it now.... :-)
How did you manage the color swap on the Prusa?
The secret is Prusa Slicer. It's got an unload and reload feature for layered colors. By the way Slic3r or Prusa Slicer will work with other printers. You just have to correctly configure the slicer to get the correct GCODE.