This tile can easily be modified to other colors, simply ensure to do Black until layer 4, then you can do color swaps from dark to light filament.

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

Filaments Used:
PLA Black
PLA Dark Grey
PLA Metallic Silver
PLA Metallic Gold
PLA Matte Ivory White

Swap Instructions:
Start with Black
At layer #4 (0.48mm) swap to Dark Grey
At layer #6 (1.28mm) swap to Metallic Silver
At layer #11 (1.44mm) swap to Metallic Gold
At layer #19 (2.08mm) swap to Ivory White for the rest.

OPTIONAL: At Layer #21 swap to a metallic white for a bit of a shine