Our flat-bottom aluminum river boat – the river skiff – is the perfect boat for navigating rivers of any size, shallow lakes or flats. fully customizable. the smallest model even fits in the back of any full size pickup bed.. Cope aluminum boat designs, proven plans for high quality welded aluminum boats. aluminum boat designs 3d cad designs for cnc cutting cope aluminum boats has 30 proven stock designs available for purchase. cruisers and sport fishing boats jet boats landing craft open boats, runabouts, center console.. Jet boat design & construction "the ultimate aluminum jet boat design" we achieve our claim of providing you the "ultimate aluminum jet boat experience" by first designing and building the absolutely best hull for performance, strength, safety and comfort in the industry..