Tailoring Self-Formation, fabrication and simulation of membrane-actuated stiffness gradient composites. Proceedings of the IASS Annual Symposium 2018, Boston, USA, 16-19 July 2018. [PUMA: 2018 aldinger composite fabrication gradient itke knippers körner landesgartenschau margariti membrane-actuated remstal self-formation simulation stiffness suzuki tailoring tower urbach]