- 1). Design your printed circuit board with your CAD software and print it in reverse onto Press-n-peel PCB transfer film or a glossy page cut from a magazine.
- 2). Score the copper material on both sides with a knife and break it along the cracks to fit your printed plans. Clean the surface with a scrub pad, removing any grease on the copper and dry it.
- 3). Set your iron to its highest non-steam setting and heat the copper surface for 30 seconds. Position the printed circuit pattern face-down on top of the copper and tape it securely in place. Follow the directions on the packaging if you're using Press-n-peel PCB transfer film. For ordinary glossy paper, simply press evenly as you iron the entire surface and then soak the board in water. Rub away the paper pulp, leaving only the toner transferred onto the copper surface.
- 4). Bend plastic-coated wire to form an arm-like shape with several fingers, capable of securely holding the copper board face-downward. Use protective gloves and goggles and immerse the board in etching solution for 10 to 15 minutes, or as directed. Rinse thoroughly afterward.
- 5). Apply paint thinner to the printed circuit board and rub the surface, removing the printer toner and revealing the copper tracks.
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