Our pontoon boat designs are great for the builder who is looking for a party boat or family day cruiser. buy homemade pontoon boat plans at bateau. com!. We have homemade boat plans for this small classic runabout, which we’ve named the rb16! buy motor boat building plans to construct your own at bateau.com.. Using one of these boat plans, you will be able to build the boat you have dreamed of for years. these boat plans come in many variations and there are powerboats.