Building: 3D printing takes on height

For the first time, near Valenciennes, a three-storey building came out of the ground in record time, thanks to a 3D printer. For the whole structure, the bill is twice as high as a conventional construction site. The thermal insulation, on the other hand, is directly integrated between the concrete layers. In the future, many buildings, even public ones, could be built this technology. In a few years, the printer has evolved a lot. (New technol…