This is my picture of a happy lion that can easily be printed in 5 colors. It requires only 4 color changes.
Here is timelapse video:
I used Aurapol PLA.
Print at 100% infill with a layer height of 0.08mm with a base layer of 0.16mm
Swap Instructions:
Black until layer #5 at 0.48mm
Red until layer #12 at 1.04mm
Brown until layer #15 at 1.28mm
Orange until layer #19 at 1.6mm
White for the rest.
The author marked this model as their own original creation.