New 3D printer can build home in days, says B.C. scientist

A B.C. scientist has invented a 3D concrete printer that he claims can build a four-bedroom home in a matter of days at a fraction of the costs of normal construction.
Read more: https://www.cbc.ca/news/canada/british-columbia/new-3d-concrete-printer-build-home-days-scientist-1.5111890?source=Snapzu