Scroll down this page for many more plans. this a page of links to some favourite free boat plans at intheboatshed.net. they’ve been chosen because they are derived. Free boat design resources from around the web updated 5th february 2010. Free boat plans for building a strip-built baidarka style sea kayak. 19′ long by 17 1/8" wide. a table of offsets for the aleut baidarka (mae 593-76) collected on.