This is a nice graphic my wife made that took me a while to while to work out – I wanted to share with others. This one does use 5 colors. That really was the only way I could get the detail I wanted out of it.

This one required me to bounce back and forth between the colors more than once.

Filaments Used:
PLA BambuLab Basic Black
PLA BambuLab Matte Marine Blue
PLA BambuLab Basic Purple
PLA BambuLab Basic White
PLA BambuLab Matte Ice Blue

Swap Instructions:
Starting with Black
When at layer 8 swap to Marine Blue
When at layer 9 swap to Purple
When at layer 13 swap to White
When at layer 15 swap back to Purple
When at layer 19 swap to Ice Blue
When at layer 22 Swap back to White