Browse our selection of canoe plans. we have ultra-light pack canoes, classic double-paddle canoes, and beautiful lapstrake canoes. choose from strip-planked or. 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. Easy-to-build plans for boats, dories, fishing boats, drift boats, qood boats, wooden boats, plywood boats alumninum boats.