I have a 3 color shirt, and I need to use 3 screens for screen printing, I have only done 1 color screen printing and I have a friend who would like a 3 color. I have not idea how to layer in Corel - I have the design done, but how do I seperate it (layer) it to print out separetly for each color and have it line up on the tshirt when I screen print?