This giant 3D printer can build 10 prefab homes in under 24 hours
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Thats Amazing!
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This could have some pretty cool implications for 3rd world country disasters (such as Haiti)
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These are a amazing. There are printers that can do custom house printing too with shapes that we couldn't reasonably have done previously.
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http://www.technologyreview.com/featuredstory/526521/microscale-3-d-printing/
Another site for 3D printing..
I notice we have a lots of topic here about 3D Printing...