Build Your Own Soda Can Solar Heater. Perfect for heating a Greenhouse or a small garage The basic premise of the project is to build a simple box out of some stack a hundred or two black-painted soda cans inside with some adhesive, and stick a.
screen printing that requires an embroidery hoop, some silk, a credit card, fabric paint and contact paper. All you have to do is cut your design out of contact paper, adhere it to your little screen and get printing. The credit card acts as a squeegee.