"Anthony D. Baye" <Sha### [at] spamnomorehotmailcom> wrote:

> pigment { rgbft <1.000, 1.000, 1.000, 1.000, 0.618> }
> finish {
>     diffuse 0.3
>     specular 0.8
>     reflection { 0.3, 1 falloff 5 }
>     conserve_energy
>     }
> normal {
>     function {
>         f_ridged_mf(x,y,z, 0.1, 3.0, 7.0, 0.7, 0.7, 2)
>         } 0.3
>     scale <4.68, 3.2, 4.68>/12
>     }
> interior {
>     ior 1.33
>     fade_distance 3
>     fade_power 2
>     fade_color rgb <0.235, 0.318, 0.618>
>     dispersion 1.016
>     dispersion_samples 10
>     }

I see some issues like a transparency of 161.8 %, but this does not slow your
render down, at least it doesn't in my standard setup.
Even turning fresnel on or diffuse 0 doesn't have any effect on render time.
But turning dispersion off decreased render time to less than 20 %.

Norbert

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