Bowdidge marine designs, designer of custom sport fishing boats, designing over 60 sport fishing boats with our one-of-a-kind custom construction process, this allows. Flavio c | la plata – buenos aires – argentina | pocketship. hi folks, finally yesterday morning, i received the plans for pocketship. i hope to keep in touch with. Hi john. mk7 was a great build to watch. my brother is a boat builder and has made his own forty foot catamaran out of his own composite panels..