8′ puddle duck racer one design racing sailboat based on bolger brick. developmental class, defined hull, unlimited sail rig and underwater fins.. 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 boat plans for the backyard home builder, plywood and wooden sailboats, rowboats, dinghies motorboats.