TensiNet is a multi-disciplinary association for all parties interested in tensioned membrane construction. The website www.tensinet.com contains a Project Database as well as articles and links to manufacturers, fabricators, material producers, coaters, weavers, architecture and engineering offices, distributors of machinery, steelwork and ropes, software companies, academic and research institutes. The TensiNet partners are the editors of the European Design Guide on tensile surface structures, and will continue to publish reference documents on this and associated topics. Also, TensiNet publishes the TensiNews newsletter twice a year and supports teaching and training activities in the field of tensioned membrane construction. TensiNet members meet once a year for an Annual General Meeting. Every 3 year TensiNet organizes a TensiNet symposium. In 2013 the TensiNet Symposium "[RE]THINKING lightweight structures" was held at Istanbul (8-10 May 2013).