Print at 100% infill with a layer height of 0.04mm with a base layer of 0.16mm

*You dont need a .2 nozzle, i printed this with a .4 nozzle with the layer height at .04

Filaments Used:
PLA BambuLab Basic Red Transmission Distance: 4
PLA BambuLab Basic Yellow Transmission Distance: 5
PLA BambuLab Tough Black Transmission Distance: 0.6
PLA BambuLab Matte Ivory White Transmission Distance: 4

Swap Instructions:
Start with Red
At layer #11 (0.56mm) swap to Yellow
At layer #28 (1.24mm) swap to Black
At layer #33 (1.44mm) swap to Ivory White for the rest.

I also made a frame if you wanted to use that as well. If you put it up to the light without a frame it also shines through.