Wooden and plywood boat plans for amateur boatbuilders – excellent performance, simple construction, detailed step by step instructions for boats, canoes and. Scroll down this page for many more plans. this a page of links to some favourite free boat plans at intheboatshed.net. they’ve been chosen because they are derived. Free pontoon boat plans. well look what we have cooking here: free plans to make your own pontoon boat! length: 12′ (3.7 m).