took a pic of Sheldon and Penny and converted it to black and white, then converted to pencil sketch, then changed background to notebook paper, then ran it through Hue Forge

REMEMBER: you can adjust X and Y axis all you want, but leave Z alone or it will throw off layer changes…..

Swap Instructions:
Start with Black
At layer #6 (0.56mm) swap to Gray
At layer #14 (1.2mm) swap to Silver
At layer #24 (2mm) swap to White for the rest.