http://3d.about.com/od/3d-101-The-Basics/a/3d-Defined-What-Is-3d.htm http://en.wikipedia.org/wiki/3D_computer_graphics_software
http://en.wikipedia.org/wiki/Wikipedia:Guide_to_3D_models http://en.wikipedia.org/wiki/List_of_3D_modeling_software
http://en.wikipedia.org/wiki/3D_modeling_software