PLEASE READ FIRST You NEED a High Transparency white filament for this to work, MOST black filament will work. Creality Hyper White is what I used for this, its very transparent and I havent been able to find one close to it.
Print at 100% infill with a layer height of 0.04mm with a base layer of 0.16mm
The Model is 200x200mm in size
Filaments Used: PLA PolyLite Black Transmission Distance: 0.3 PLA Polylite Pink Transmission Distance: 4.7 PLA Creality Hyper White Transmission Distance: 9.9 This print uses 3 unique filaments
Swap Instructions: Start with Black At layer #14 (0.68mm) swap to Pink At layer #28 (1.24mm) swap to Black At layer #38 (1.64mm) swap to White for the rest.