have done this for a friend ;)

you can mix up the colors as you want for a personal touch :)

Print at 100% infill with a layer height of 0.08mm with a base layer of 0.16mm

Swap Instructions:
Start with Color 1
At layer #7 (0.64mm) swap Color 2
At layer #12 (1.04mm) swap Color 3
At layer #18 (1.52mm) swap to Color 4 for the rest.

share a pics if you print it ;)