Rick Measham wrote:

> 
> My main question is: How do I round off all surfaces? I don't want to remove
> the corners on everything and replace them with a cylinder, and I'm
> guessing there's an easier way.

That is really the only way but there are macros in shapes.inc that will 
do it for you for regular primitives.  There is not an easy way to do it 
along differenced edges.  Along regular differenced edges such as a 
cylinder shape differeced from a plane at a square angle it is still 
possible to do something but for more irregular outcomes such as the 
edge of you car's cockpit it is very difficult.  You are really on you 
own.  Historically, the "purist" solution to this would be by handcoding 
bicubic patches or even handcoded smoothed triangles.  With the advent 
of free and powerful polygon mesh modellers such as Wings 3D, which 
makes edge smoothing trivial, there is less and less use of those 
techniques.  But handcoded or csg bevels are still highly regarded in 
the shire.  Additionally, mesh cn be handcoded then smoothed or 
"subdivided".  ONe relevent link:
http://www.cise.ufl.edu/~xwu/Pov-Sub/.
There may be more I don't know about since I am a Wings 3D
enthusiast.

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