Attached Link: http://www.us.righthemisphere.com/3dexploration/3d_exploration_home.htm

And there's also this program, 3D Exploration. The demo lasts for 30 days, but the license is about $200.00 to keep using it after that. :( This program is very good though. It used to be only about $40.00 until the good people at Right Hemisphere bought it!