Welcome to spira international home-built boat plans. 13′ western style drift boat; 14′ stitch and glue kayak; 18′ carolina style dory; 14′ midwestern style drift. Diy drift boat building plans blueprints and how-to-do-it instructions. / driftboats. diy stitch and glue drift boat building. Plans for stitch and glue boats. there are several which are stitch and glue models. stitch and glue boat plans in no particular order. drift boats, dories.