Remember if you want to scale, do it only with x and y axis, z must be the same as the original model.

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

(You can mix and match the colors as you like!)

Filaments Used:

Swap Instructions:
Start with Black
At layer #7 (0.64mm) swap to brown.
At layer #10 (0.72mm) swap to gray.

At layer #15 (1.04mm) swap to white.