books.google.com - Grid beam is a modular, reusable building system that is fast, easy, affordable and virtually goof-proof. Ordinary people, with few skills and even fewer tools (all you need is a wrench!) can tackle projects ranging from furniture and shop benches to more ambitious projects like wind turbines, truck...http://books.google.com/books/about/How_to_Build_with_Grid_Beam.html?id=Ui4BryMgB7wC&utm_source=gb-gplus-shareHow to Build with Grid Beam
