Boat plans by mike waller yacht design. quality plans for amateur boatbuilders, monohull and multihull, catamarans, sharpies, skiffs, power catamarans and. The ultimate multihull design and building resource – catamarans and trimarans to 150 feet. Boats, dinghies and trailers! find that amazing vessel here, free ads for cf members. boat sales ads will be archived after 120 days if not still active..