Print at 100% infill with a layer height of 0.08mm with a base layer of 0.16mm.
100% infill
Start with Black
At layer #10 (0.88mm) swap to Green
At layer #17 (1.28mm) swap to White for the rest.
Makerworld:
https://makerworld.com/en/@think_3d
The author marked this model as their own original creation.