I designed this Bookmark with Hueforge for my mangas

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

Filaments Used:
Bambulab PLA Black Transmission Distance: 0.3
Bambulab PLA Gray Transmission Distance: 2.5
Bambulab PLA Gray Transmission Distance: 3
Bambulab PLA White Transmission Distance: 6

Swap Instructions:
Start with Black
At layer #4 (0.4mm) swap to Gray
At layer #7 (0.64mm) swap to Clear Gray
At layer #10 (0.88mm) swap to White for the rest.