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. Boat plans for the 17 here’s what you’ll receive when you order this plan from me… plan, profile and section drawing. Free houseboat plans, and almost free boat building plans the free houseboat plans section is here as a starting point to the world of building a house boat, and the.