Skill level: intermediate. i originally developed the first of these pt boat plans to build my own elco pt-109 similar to the 1:32 scale lindberg plastic kit i had as a teenager.. Learn how to build a plywood boat. you can make a great boat out of one sheet of plywood. watch our video here and see how we build a boat. there are links at the end of this post for more of our boat videos and diy. Updates. 2017 march 1, pt photos page added. this page has links to pt boat and related images found at the naval history and heritage command website. most of the images are available in high resolution..