Boat plans for the 12 imagine what two weekends, the plans for this fast build pirogue and two sheets of plywood will do?. Free pontoon boat plans. well look what we have cooking here: free plans to make your own pontoon boat! length: 12′ (3.7 m). Tech support. the best technical support: we will help you succeed! all our plans and kits come with full technical support. ask questions on our support web site.