Boats, portable, plywood, folding, home made, coroplast, easy, low cost, kayak, canoe, pram, utility, fishing, plans,. 24 sailboats. boat plan collection. 24 different and unique boat designs. instant download access! sailboat plans for instant download!. Free motorboat plans for the backyard home builder, build your own speed boat, cabin cruiser, runabout or utility boat using these simple plywood designs..