An extremely simple houseboat to build, the free boat plans feature a strong hull with a heavy keel and close-spaced framing. this, coupled with a relatively low profile, makes it a very stable craft.. Plans for skiffs; free wooden skiff boat plans. the term skiff is used in this page to describe a flat bottomed boat (or mostly flat) with a pointed bow and square back. this is often the design for fishing boats, such as this one, photographed in maine.. Free plans? yes, they are really free, hundreds of them. the plans offered at this site are free public domain boat plans. choose a category at the left, choose your boat on the following page, and after filling in some information the plans will be emailed directly to you..