【CNBC】3D-printed housing developments suddenly take off – here’s what they look like

• ICON, a pioneer in 3D-printed homes in the U.S., just completed four homes in East Austin, Texas.
• The two- to four-bedroom homes are now on the market, starting in the $400,000 range.
• A much larger community of 3D-printed homes is being planned in Rancho Mirage, California, by competitor Mighty Buildings.

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