Danish company 3D Printhuset opened a new 3D printed construction business last fall and developed its own concrete 3D printer, putting its energy towards researching the potential for 3D printed construction in Denmark. Now that research is coming to fruition, as 3D Printhuset is beginning construction on what it is calling a Building On Demand, or BOD. The 3D printed building, which will be a small office hotel, is, according to 3D Printhuset, the first 3D printed concrete building in Europe that fulfills building codes. Read more at 3DPrint.com: http://3dprint.com/186860/3d-printed...ng-copenhagen/