Dubai says opens world's first functioning 3D-printed office

Dubai has opened what it said was the world's first functioning 3D-printed office building, part of a drive by the Gulf's main tourism and business hub to develop technology that cuts costs and saves time. This one used a special mixture of cement, a Dubai government statement said, and reliability tests were done in Britain and China. The arc-shaped office, built in 17 days and costing about $140,000, will be the temporary headquarters of Dubai Future Foundation - the company behind the project