Art of Illusion for Mac OS X v.2.9 Art of Illusion is a free, open source 3D modelling and rendering studio.Highlights include subdivision surface based modelling tools, skeleton based animation, and a graphical. Many of its capabilities rival those found in commercial programs. Art of Illusion for Windows v.2.9 Art of Illusion is a free, open source 3D modelling and rendering studio.Real estate development software for commercial, subdivision and condominium projects. Instant Analyst Excel 2003 v.1.0 Real Estate Investment Software by Realty Analytics LLC - Real estate software for the analysis of commercial and residential income properties.Instant Analyst Excel 2007 v.1.0 Real Estate Investment Software by Realty Analytics LLC - Real estate software for the analysis of commercial and residential income properties.OpenSDS: Subdivision Surfaces Library v.1.0 OpenSDS is a library for efficient rendering and tessellation of subdivision surfaces.The subdivision is relative new approach used to design complex surfaces and. Geometric Modeling with Subdivision v.1.0 The goal of this project is to build a free open source system for geometric modeling, which is based entirely on subdivision schemes.