Free pontoon boat plans. free plans to make your own pontoon boat! length : 12′ (3.7 m so why not make your own pontoons out of simple stitch and glue. Amazon.com: stitch and glue boats. interesting finds updated daily. how to build any boat the stitch-and-glue way reprint edition by devlin, samual published. How to build a stitch and glue boat (clark fork drift boat.