Then there are those Chinese modular houses that come together in three hours.
http://curbed.com/archives/2015/07/27/3d-printed-house-china.php
And flatten down to 2" high in a 3.0 earthquake.
I think the company should add a disclaimer "Live in this home at your own risk."
Excerpt from the article: "Details are hazy. According to 3D-printing news site, 3Ders, the company is using special material they're keeping a secret for now. The material sourced from industrial and agricultural wastes apparently not only allows rapid assembly but can also withstand a 9.0 earthquake