A U.S. company has completed a 3-D printed small house in Russia for around $10k...finished!
http://apis-cor.com/en/about/news/first-house (http://apis-cor.com/en/about/news/first-house)
That opens up some really cool ideas. I wonder how strong that unconsolidated concrete is though ???
OMG! Recently I read an article that Dubai opened an office which is the world's first 3 d printed office bulding (https://www.cnet.com/news/dubai-unveils-worlds-first-3d-printed-office-building)