Spira international wooden boat plans. following are the stock plans available for the various types of boats, separated into the different categories.. Plans to build the 34′ lone star st. pierre dory. the lone star is the largest dory i’ve designed so far, at 34 feet long and 12 feet in beam. it was originated for a. Introducing: myboatplans – "instant boat building!" the complete boat builders resource. over 518 detailed boat plans, schematics, cutting patterns, material lists.