"It's 2016 and we aren't an interplanetary species yet. It's because getting to space is incredibly expensive and time consuming. We had dreams of "squirrel cages" as the future, but now we are dreaming about how to manufacture in space. SU team achieved 3D printing in zero gravity." A. Dara Dotz told the XMED audience. "Astronauts are now printing wrenches and tools through custom made CAD files that are sent in real time to the international space station and can be printed there."