Sam Devlin has been in love with boats since childhood--a fact perhaps influenced by his first bedroom, a ship replica complete with curved walls and a seaberth. The boatbuilding operation he started with his wife on a shoestring in 1977 has flourished, and Devlin Designing Boat Builders each year rolls out between 20 and 40 stitch-and-glue boats of various sizes from its shop on the shores of Puget Sound.