“Erecting a new building ranks among the most inefficient, polluting activities humans undertake,” reports Qz. “The construction sector is responsible for nearly 40% of the world’s total energy consumption and CO2 emissions, according to a UN global survey. A consortium of Swiss researchers has one answer to the problem: working with robots.”

Over four years, 30 different industry partners joined a team of experts at ETH Zurich university for a cutting-edge “digital fabrication” project: building the DFAB House. Timber beams were assembled by robots on site, it used 60% less cement, and it features some amazing ceilings printed with a large-scale 3D sand printer.

“This is a new way of seeing architecture,” says Matthias Kohler, a member of DFAB’s research team. The work of architects has long been presented in terms of designing inspiring building forms, while the technical specifics of construction has been relegated to the background. Kohler thinks this is quickly changing. “Suddenly how we use resources to build our habitats is at the center of architecture,” he argues. “How you build matters.”

DFAB isn’t the first building project to use digital fabrication techniques. In 2014, Chinese company WinSun demonstrated the architectural potential of 3D printing by manufacturing 10 single-story houses in one day. A year later, the Shanghai-based company also printed an apartment building and a neoclassical mansion, but these projects remain in the development phase. Kohler explains that beating construction speed records wasn’t necessarily their goal. “Of course we’re interested in gaining breakthroughs in speed and economy, but we tried to hold to the idea of quality first,” he says. “You can do things very, very fast but that doesn’t mean that it’s actually sustainable….”

Beyond the experimental structure in Switzerland, Kohler and Dillenburger explain that they’re interested in fostering a dialogue with the global architecture and construction sectors. They’ve published their open-source data sets and have organized a traveling exhibition titled “How to Build a House: Architectural Research in the Digital Age,” opening at the Cooper Union in New York this week.

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