At this rate, could a giant 3D printer one day spit out an entire city?

Many city dwellers have complained about new buildings looking increasingly fabricated. But what if they actually were, with no human hands involved? WinSun Decoration Design Engineering Co., a Chinese architectural materials company with more than 70 patents to its name, has now come up with a way to construct a 12,000 square-foot home – a kind of McMansion – out of 3D printed blocks.

A special technique has resulted in a concrete building that, while requiring paint to be attractive, still manages to be perfectly functional.

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