With tape on the side of the metallic paint, you're starting all over, as if depilates. Cut it into squares and then, you paint one side with acrylic or tempera color you like and you put another up, make a sandwich.
Encendés the oven and on a plate lined with aluminum foil sandwich ponés CD. In less than 4 minutes they are ready. The CD melt and stick together. Let it cool and take off the paper. This action generates no smoke or odor.