This is a release of the CADISI membrane structure conceptual design modeller. It was developed by technet GmbH gründig+partner as part of the European Union's ISIMEM project. It is a standalone application for the generation of force equilibrant surfaces suitable for use in stressed membrane architectural structure conceptual design. It has been optimised for use within the ISIMEM Conceptual Design System developed by Ingenieurgemeinschaft Fl[$auml]chentragwerke of Konstanz.