Designs for aluminum construction all designs for aluminum construction are included here. for further study, we have books available in the books, dvd’s and audio section of our store at your left.. As well as offering custom design, custom boat kit creation, and partnered boatbuilding franchises. home builders can build a custom boat at a fraction of the cost of buying new. welding shops can expand their business / boatbuilders can add new products.. Cope aluminum boat designs, proven plans for high quality welded aluminum boats..