Waverunner 24. steel or aluminum semi displacement hull boat plans & full size frame patterns see more : coastworker 25 wood epoxy, steel or aluminum, fiberglass. displacement or semi-displacement or planing hull boat plans & full size frame patterns. this is the smallest of our coastworker range that extends from just 25 ft to 58 ft – an ideal first boatbuilding project.. Plans for small portable boats. the 1 sheet wedge – it may look like some of my other wedge designs, but it differs in one important aspect; the basic hull is constructed primarily from one sheet of 1/4 inch plywood.at 8′ x 2.5′ x 1.25′ and 30 pounds, it is an ultra simple 2 module design, with all straight lines, that is easy to build and operate by a single occupant.. See more of the footloose in the builder’s gallery. perhaps no other type of small craft exemplifies the uncomplicated, carefree boating experience better than the timeless flat-bottomed skiff..