Neil Kolban <kol### [at] kolbancom> wrote:
> How about a sphere_sweep.  The sphere_sweep follows a spline which could 
> have a maximum and minimum "orbit" (apogee/perigee?).  The Spheres are all 
> the same radius and hence the shape would have the same "width" along its 
> surfaces.

  That would probably only be an approximation of an elliptical torus,
but I bet he is not looking for the mathematically exact result
anyways... :P

-- 
plane{-x+y,-1pigment{bozo color_map{[0rgb x][1rgb x+y]}turbulence 1}}
sphere{0,2pigment{rgbt 1}interior{media{emission 1density{spherical
density_map{[0rgb 0][.5rgb<1,.5>][1rgb 1]}turbulence.9}}}scale
<1,1,3>hollow}text{ttf"timrom""Warp".1,0translate<-1,-.1,2>}//  - Warp -

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