Years ago i built a 10′ stitch and glue tender/sailing dinghy with my dad. i think it’s a great boat and i want to build something similar for myself.. Using the latest stitch-and-glue technology, when finished, she is the design response to the need for a small, rugged, lightweight yacht tender,. Sheet ply stitch and glue loa 2.4m 8ft boa 1.2m 4ft crayfish is a 8′ long pram bowed yacht tender, built from 2 1/2 sheets of 4mm ply. it is.