Free boat plans from "science and mechanics", "boat builder handbook" and other very old magazines. trouble viewing? try the low band width index.. Free plans? yes, they are really free, hundreds of them. the plans offered at this site are free public domain boat plans. choose a category at the left, choose. Boat plans catalog – 300 boats you can build! boatbuilding supplies & epoxy; inboard hardware; new – electrical design plans; books, dvd’s & audio.