One response to boat plans catalog – 300 boats you can build!. "building boats from glen-l plans is simple and straight forward…i honestly have never run into a problem, unless it was of my own making. follow glen-l’s plans and. Boat plans catalog – 300 boats you can build! new – electrical design plans; boatbuilding supplies & epoxy; inboard hardware; books & dvds; raptor® fastenings.