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

Start with Black
At layer #6 (0.56mm) swap to Red
At layer #10 (0.88mm) swap to Orange
At layer #13 (1.12mm) swap to White for the rest.
 

136x170 Version:

Print at 100% infill with a layer height of 0.08mm with a base layer of 0.16mm.
Start with Black
At layer #10 (0.88mm) swap to Red
At layer #14 (1.2mm) swap to Orange
At layer #18 (1.52mm) swap to Jade White for the rest.

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