8′ puddle duck racer one design racing sailboat based on bolger brick. developmental class, defined hull, unlimited sail rig and underwater fins.. Why we don’t have required plans the required hull shape. with almost every other sailboat class, the way it works is you buy a set of plans that the class sells, and. Free pontoon boat plans. well look what we have cooking here: free plans to make your own pontoon boat! length: 12′ (3.7 m).