I've scored 2 30 inch window panes, 2 36 inch piano hinges, some one by that is 8 feet long and 1 1x4 8 foot long piece of solid wood, some scrap 3/4 inch plywood from making the door and outside wall of the shed. Can some one give me an idea of how to make the cold frame? How much more material in what sizes do I need? I sure would appreciate the help.