I believe you're thinking of this: http://www.youtube.com/watch?v=EfbhdZKPHro http://www.youtube.com/watch?v=EfbhdZKPHro Also related: http://inhabitat.com/3-d

I believe you're thinking of this: http://www.youtube.com/watch?v=EfbhdZKPHro http://www.youtube.com/watch?v=EfbhdZKPHro Also related: http://inhabitat.com/3-d-printer-creates-entire-buildings-from-solid-rock/ http://inhabitat.com/3-d-printer-creates-entire-buildings-fr...