Have you had the wild idea lately that it might be fun to build your own fishing boat? one of the most stable and practical boats around is called a dory.. 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. !!!warning!!! please read this before purchasing any plan after completing your payment transaction, paypal will take you to a page. in that page there will be an.