“We’re all familiar with 3D-printing outfits Shapeways and Makerbot — imagine it blown up big enough to construct an entire house.”

http://mashable.com/2012/04/04/future-tech-home-design/

The future of our lives is customizable and instant. Through 3D printing we can optimize our every day lives by iterating our every day big objects. Iterating on your house, garage, coffee table, kitchen, and anything else.