Based on GIF
either import “_bambu.3mf” into Bambu Studio that has colors assigned
or
import 3mf into your slicer of choice,
select colors for bodies by yourself.
either import “_prusaslicer.3mf” into PrusaSlicer that has layers assigned and change your print profile (0,1mm layer height recommended)
or
import file into slicer,
add color change at layer - in prusaslicer it is this small button in preview mode.
0-1 mm green
1-1,5 mm yellowish
1,5-2 mm white
2-2,5 mm black
0-1,5 mm green
1,5-2 mm yellowish-white
2-2,5 mm black