It seems like i have developed some bizarre obsession with perfectly symmetrical double enders. what other stitch & glue 3-plank double-ender, stitch and glue. Double-enders. double-enders. double ended sailing dinghy, electra canoe yawl glued clinker or multichine stitch and glue construction.. Here are links to all the free boat plans i could find on the internet. double trouble, stitch and glue two person double ended race boat with trapeze and.