Print at 100% infill with a layer height of 0.08mm with a base layer of 0.16mm. Turn off the aux fan in your filament profile, and print with a brim to avoid warping/curling. Designed at 200mm square, can be scaled to other sizes, but turn off uniform scale and don't scale in the z direction.

Filaments Used:
Elegoo matte black PLA - TD 0.2

Elegoo matte gray PLA - TD 0.6

Overture matte yellow PLA - TD 3.6

Overture matte white PLA - TD 4.0

Manual swap instructions if not using an AMS:
Start with Black
At layer #28 (2.32mm) swap to Grey
At layer #30 (2.48mm) swap to Yellow

At layer #38 (3.12mm) swap to White