come cambiare colore 

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

Filaments Used:
    PETG JAYO Black Transmission Distance: 0.3
    PETG JAYO Gray Transmission Distance: 2.5
    PETG GEETECH Gray Transmission Distance: 3
    PETG JAYO White Transmission Distance: 6

Swap Instructions:
    Start with Black
    At layer #7 (0.64mm) swap to Gray
    At layer #12 (1.04mm) swap to Gray
    At layer #18 (1.52mm) swap to White for the rest.