Blender is a 3D graphics creation suite allowing modeling, animation, rendering, post-production, realtime interactive 3D and game creation and playback with cross-platform compatibility.
Blender is licensed under the GPL and is available at ww.blender3d.org for Windows, Linux, OSX, Solaris, Irix and FreeBSD.
CLICK HERE FOR THE GALLERY
CLICK HERE FOR MOVIES
If you download Blender you should begin by reading the MANUAL HERE
Other Blender Tutorials:
http://www.ibiblio.org/bvidtute/
http://www.showmedo.com/videos/Blender
http://avbsoftworks.spaces.live.com/
http://blenderunderground.com/2007/0…ial-completed/
Wish you great raytraced images !!