I’ve decided to make the plans for my stitch & glue guillemot available to internet users as "share ware". if you end up building this boat please send me a. All the information and plans on doug’s boat page are free! (but also copyrighted!) boat plans [click to download] [descriptions]. Welcome to spira international home-built boat plans. spira international offers a wide variety of different power, rowing, and sailing skiffs, dories, and other boat.