Autodesk today announced it has begun shipping Autodesk Combustion 4 software for Macintosh. Combustion 4, Autodesk’s desktop visual effects software, consists of a feature set including vector paint, particles, effects, animation and 3D compositing. This new version streamlines the creative process for visual graphics creation by providing enhanced interoperability with third-party desktop applications, improved paint tools and workflow efficiency. Autodesk Combustion 4 is available now for a suggested retail price of US$995; upgrade pricing from Combustion 3 to Combustion 4 is $249.00.