Build this ultralight biplane using these vintage plans from the 1960’s. this homemade airplane features wood frame covered with dacron fabric.. Plywood boat plans. if you are looking for a way to build an inexpensive boat you should definitely consider plywood boat plans. using plywood is one of the best ways in which to build a fishing boat at a very affordable price.. 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? that’s a common question i get asked often, so i’ll go through some pros & cons to help..