This model was created with Hueforge. You don't need an AMS. You can replicate this result easy with every print and manually filament swaps. Feel free to use other colors. Best colors in my opinion are green or a light blue, in combination with black, gray and white.

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

Filaments Used:
PLA BambuLab Basic Black Transmission Distance: 0.6
PLA BambuLab Basic BambuLab Green Transmission Distance: 8
PLA BambuLab Tough Gray Transmission Distance: 1.8
PLA BambuLab Basic Jade White Transmission Distance: 5

Swap Instructions:
Start with Black
At layer #5 (0.48mm) swap to BambuLab Green
At layer #9 (0.8mm) swap to Gray
At layer #10 (0.88mm) swap to Jade White for the rest.