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

Filaments Used:
PETG JAYO Black Transmission Distance: 0.3
PLA+ Sunlu Red Transmission Distance: 6
PLA+ IIID Max Key Lime Transmission Distance: 14
PETG JAYO White Transmission Distance: 6

Start with Black
At layer #7 (0.64mm) swap to Red
At layer #11 (0.96mm) swap to Key Lime
At layer #20 (1.68mm) swap to White for the rest.