how to draw the robot workspace

I need to draw the robot workspace. 2 links antropomophic arm.
here there are some examples to what I have to do.
http://img53.imageshack.us/my.php?image=immaginepx9.jpg
There are some tools or some software to do this?
thanks
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You need a 3D CAD. SolidWorks comes to mind. http://www.solidworks.com / I've never used it, though.
-- Randy M. Dumse www.newmicros.com Caution: Object in mirror are more confused than they appear.
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