Jim Charter <jrc### [at] msncom> wrote:

> Thing is, with this model it is too much work
> to edit the mesh so a material with ior can be used.  At least too much
> at the moment.

Probably I am making wrong assumptions, but if you are keeping this mesh in
a separate file and #including it in your main scene file, and it is too
big to comfortably edit, can't that be as simple as using something like
this in the main scene?

object {
  #include "Chalice.mesh" // or whatever;

  interior {
    ior 10
  }
}

No editing of the mesh file required, just an appropriate fresnel reflection
statement for the mesh. Possibly the exponent keyword will be more useful to
you, though.

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