Photo shows it on the side of my X1C.

A two-parted filament painting, be sure to print both parts with following swaps, they will then fit perfectly:

*** BE SURE TO SET SWAPS ON PLATE 2 MANUALLY ***

*** EXPERIMENT WITH THE COLORS ***

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

Filaments Used:
PLA BambuLab Matte Charcoal Transmission Distance: 0.6
PLA BambuLab Matte Dark Blue Transmission Distance: 1
PLA BambuLab Basic Orange Transmission Distance: 10
PLA BambuLab Matte Ivory White Transmission Distance: 4

Swap Instructions:
Start with Charcoal
At layer #13 (1.12mm) swap to Dark Blue
At layer #16 (1.36mm) swap to Orange
At layer #27 (2.24mm) swap to Ivory White for the rest.