This model utilises two white filaments of different TDs to achieve the smooth transitions you see in the image attached. I used both a low TDF and high TD white for this, so for best results, you should use something similar too!

Print Instructions

Print at 100% infill with a layer height of 0.04mm with a base layer of 0.2mm

Filaments Used:
- PLA Kingroon Black Transmission Distance: 0.4
- PLA+ eSun Grey Transmission Distance: 1.4
- PLA Sunlu Beige Transmission Distance: 8.2
- PLA Kingroon White Transmission Distance: 8
- PLA BambuLab Basic Jade White Transmission Distance: 5

Swap Instructions:
- Start with Black
- At layer #19 (0.92mm) swap to Grey
- At layer #22 (1.04mm) swap to Beige
- At layer #32 (1.44mm) swap to White
- At layer #39 (1.72mm) swap to Jade White for the rest.