Aspen’s patented power proa hull offers the softest ride, best fuel economy and accommodations of its class. built in the usa – burlington, wa.. Introducing: myboatplans – "instant boat building!" the complete boat builders resource. over 518 detailed boat plans, schematics, cutting patterns, material lists for all types of boats.. Yes, with the right house boat plans, you can start building your own now yes, with house boat plans, you can build a houseboat. when it comes to planning building a houseboat there is one thing you should first consider, do you buy one or build your own?.