Coebro: 3D-Printers Learn to Build Houses

The first layers of concrete for the prototypes are successfully printed. © Baus
The first layers of concrete for the prototypes are successfully printed. © Baustädter - TU Graz
Many things today can be produced simply, fast and cheaply using a 3D printer: jewelry, small components and even prototypes. Printing complete houses is still a long way off. For the moment, at least. But work is being done at TU Graz on additive manufacturing of concrete parts using printing robots. "Everything began with a curious student," recounts Andreas Trummer from the Institute of Structural Design at TU Graz. "One of our students had heard about 3D concrete printing and wanted to explore this in depth in his master's thesis. Jürgen Holl - at the time doing his master's in architecture - used the Institute's ABB robot lab to develop a prototype of a conveyor and 3D printing plant.
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