Project: SpaceMarineCatV2.hfp
Print at 100% infill with a layer height of 0.08mm with a base layer of 0.16mm

The Model is 200x200mm in size
You may print at higher layer heights below the Min Depth of 0.48mm
The Max Depth is 2.2mm and the Actual Depth is 1.8mm

Filaments Used:
    PLA BambuLab Basic Blue Transmission Distance: 4
    PLA BambuLab Basic Blue Gray Transmission Distance: 3
    PLA Sunlu Purple Transmission Distance: 6
    PLA BambuLab Matte Ivory White Transmission Distance: 3.5
This print uses 4 unique filaments

Swap Instructions:
    Start with Blue
    At layer #7 (0.64mm) swap to Blue Gray
    At layer #10 (0.88mm) swap to Purple
    At layer #13 (1.12mm) swap to Ivory White for the rest.
 

I wasn't going for a lithopane, but when held to the light, it sure looks like it would work as one.