If ya really want you could go get MegaPOV
http://nathan.kopp.com/patched.htm and use a sphere_sweep.  Basically
you give it points and it connects them with smooth circular tubes.

-- 
David Fontaine  <dav### [at] faricynet>  ICQ 55354965
My raytracing gallery:  http://davidf.faricy.net/

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