Stephen pollard aluminum designs. glen-l is proud to offer designs by stephen pollard for welded aluminum construction complete with cad files. stephen pollard is the. A complete listing of all stock and semi-stock plans offered by kasten marine design, including a list of nc files offered.. Boat plans catalog – 300 boats you can build! boatbuilding supplies & epoxy; inboard hardware; new – electrical design plans; books, dvd’s & audio.