Easy-to-build boat plans by spira international. home; boats; reports; videos; construction videos; marine books; 11′ ultralight stitch and glue boat; 11′ grand. The stitch and glue boatbuilding method is an easy way for a beginner to make a sometimes used polyester resin most amateur stitch and glue boat builders use. Stitch and glue boats plans are perhaps the cheapest and the easiest boat plans. so far i have constructed about fifteen stitch and glue boats..