Michael Fahy for The National:  A teenager who has relocated his start-up business in 3D printing technology from Silicon Valley to Dubai has said that it is ready to begin offering 3D printed houses and buildings.

Chris Kelsey, 19, the co-founder and chief executive of Cazza Construction Technologies, has said that its mobile printing robots are capable of printing a 200 square metre house in a single day using just two workers – one to monitor the machine and another to add elements such as steel rebar and electricity cables within pre-determined sections.

"If someone wants to build a house, we design and engineer according to 3D standards. From there we bring the machine on site and set up the position where it is meant to print. Once it is in position, the machine 3D prints according to the software design," he said.

Mr Kelsey, who was born in Pennsylvania and grew up in California, began to seriously look at the market for 3D printing in construction early last year, using the proceeds generated from the sale of an earlier company – an app and website development business known as Appsitude.  Cont'd...