Barnegat Bay Sneak Box: A Free 12 ft Plywood Plan
William D. Jackson's 12 ft plywood sneak box needs no building form and can be fitted with runners to sled over ice.
DIY
Sea Skiff: A 13 ft 9 in Plywood Skiff for Oars, Motor or Sail
William D. Jackson's Sea Skiff seats five and takes oars, an outboard, an air-cooled inboard or a sail, all on one plywood hull.
Glide-Easy: A Free Plan for a 15 ft Molded Plywood Canoe
William D. Jackson's 15 ft canoe uses thin molded plywood, no stems and air flotation, with a square-stern outboard option.
Cork: A Free 1972 Plywood Scow Rowboat Plan for Three
A frameless 9 ft double-ended scow from 1972, built from skin-stressed plywood and made purely for rowing.