while going through one discussion, got interested topic…. its about 3d particle system… very frank . i havent done any work or study on this.. m writing here only those points what i got from discussion.. hope u folks will like it.. Particle ? — natural smoke and explosions to geometric or organic abstract motion graphics design elements.better instead of writing … give you good links and softwares here..examples1. http://www.youtube.com/watch?v=NnTyvWdHDvE&NR=12. http://www.openframeworks.cc/gallery3. http://vimeo.com/6284199 Softwares –1. http://www.trapcode.com/products_particular.html2. http://www.nvidia.com/object/physx_new.html3. http://www.flight404.com/blog/ [blog]4. http://processing.org/5. http://www.openframeworks.cc/