We hear about a lot innovative stories within the 3D printing space. However, it's not that often that you hear of groups of people that are trying to really make a difference. WASP is a company that develops 3D printers, and with that money, they use to to further the development of their larger more advanced 3D printers. They have created a 3D printer that is very large, and capable of printing using clay made from soil, water, and oil. They have plans to use this machine to print structures and houses in developing nations, by using native soil, and mixing it to make a clay. Read more about this incredible story at http://3dprint.com/8756/wasproject-3d-printed-homes/