Cheetah 3D (http://www.cheetah3d.com) — software for modeling, animating and rendering 3D objects — has been updated to version 5.5. The upgrade adds a particle system.
Cheetah3D costs US$149 for a single user version; however, version 5.5 is a free update for all registered users of version 5.x and is a $69 for an upgrade from versions 1.x, 2.x, 3.x and 4.x.. It requires requires at least Mac OS X 10.4 and 16MB of VRAM. It’s a Universal Binary product, which means it will run natively on both PowerPC and Intel Macs.