Translucent structural skins: vacuumatics and adaptivity. Shell and Spatial Structures: Structural Architecture - Towards the Future Looking to the Past, IASS Symposium, December 3-6, 2007, Venice, Italy, Paper 345, University IUAV of Venice, Venice, 2007. [PUMA: adaptivity, conceptual design, flexibility, innovation, lightweight membranes multifunctional skin, sobek vacuum,]