Print with 100% infill, layer height of 0.08 mm, and first layer height of 0.16 mm

The model size is 200x200 millimeters.
You can print with a higher layer height below a minimum depth of 0.24 mm.
The maximum depth is 2mm, with an actual depth of 1.4mm.

Filament used:
PLA BambuLab Black Light Penetration Distance: 0.3
PLA BambuLab Basic Jade White Light Transmission Distance: 5

Replacement instructions:
Start with black.
At layer 8 (0.72mm), switch to jade white and continue until completion.

(Other types of thread can also be used, but the appearance might differ.)