Traditional, double-paddle, and decked canoes that you can build. stitch and glue and strip-planked designs.. The caledonia yawl, designed by iain oughtred, is a large, versatile, and eye-catching double ender with a breathtaking sheer. based on an inshore fishing boat from. Boat speak terms we use to describe our designs. this glossary was originally published in our webletters. if you have any suggestions for additions, or.