"Bill Pragnell" <bil### [at] hotmailcom> wrote:

> #declare col = <1, 0.5, 0.1>;
> #declare densty = 15;
> merge {
>   torus { 1, 0.2 }
>   cylinder { <-1, 0, 0>, <1, 0, 0>, 0.15 }
>   cylinder { <0, 0, -1>, <0, 0, 1>, 0.15 }
>   sphere { <0, 0, 0>, 0.5 }
>   torus { 1, 0.15 rotate <90, 0, 0> }
>   torus { 1, 0.15 rotate <0, 0, 90> }
>   hollow
>   texture {
>     pigment { color rgbt <col.x, col.y, col.z, 0.5> }
>     finish { ambient 0 diffuse 1 phong 0.5 phong_size 20 } }
>   interior {
>     media {
>       scattering { 1, densty*col extinction 0 }
>       absorption densty/col
>       intervals 1
>       samples 50


Some ior really helps to disguise the internal structure.  It doesn't get rid of
the internal structure, of course, but it does make it less apparent.  Makes it
possible to use a little more translucency.  Physically accurate, too.

 - Ricky

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