… fishing boats, drift welcome to spira international home-built boat plans. spira international offers a wide variety 11′ ultralight stitch and glue boat;. All of our boat kits are built using stitch-and-glue construction. my cart | newsletter to see the entire list of stitch-n-glue videos scroll to the bottom of. Hunting/fishing/utility – stitch and glue boats its probably 12 years old now. i find it to be a great utility boat for fishing/hunting/diving..