Polar bear created using hueforge, this was created using the ams but the layer changes could take place manually:

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

Filaments Used:
PLA Generic Black Transmission Distance: 0.3
PLA Generic Silver Transmission Distance: 4
PLA Generic White Transmission Distance: 8

Swap Instructions:
Start with Black
At layer #8 (0.72mm) swap to Silver
At layer #13 (1.12mm) swap to White for the rest.