Wooden catamarans. the advantages catamarans have for the home builder are that they are cheap and relatively simple to build, depending on the design. the hulls can be simple v shaped stitch and glue constructions connected by a timber bridge deck, as in the famous wharram designs. origins. advantages. disadvantages.. Homemade catamaran boat plans posted on december 24, 2018 by admin build this ultralight biplane using these vintage plans from the 1960’s. this homemade airplane features wood frame covered with dacron fabric… Catamaran stock plans. plans are leased to build one boat, no time limit. tri-star designs are proven designs, sailing the seven seas since 1964. free consultation is provided to the original non-professional builder till he or she is sailing the seven seas. all boats may be built with flared hulls, with the exception of the tri 25, tri 26mt,….