Print at 100% infill with a layer height of 0.08mm with a base layer of 0.16mm
Start with Black
At layer #9 (0.8mm) swap to Grey
At layer #10 (0.88mm) swap to Red
At layer #12 (1.04mm) swap to Fossil Grey
At layer #15 (1.28mm) swap to Burly Wood
At layer #17 (1.44mm) swap to White for the rest.