Global Holcim Innovation 1st prize 2012: High-efficiency concrete formwork technology, Zurich, Switzerland by Matthias Kohler, Kohler, Architektur und Digitale Fabrikation – ETH Zurich, Switzerland in collaboration with Fabio Gramazio, Silvan Oesterle, Ammar Mirjan and Axel Vansteenkiste, Gramazio & Kohler, Architektur und Digitale Fabrikation – ETH Zurich, Switzerland: Final result: two-sided free-form (double curved) concrete cast with corresponding wax formwork. (Image © Holcim Foundation)