> merge {
>   object {RotBox scale 0.9 interior {ior 1}}
>   object {RotBox translate <1,0,0> interior {ior 1.5}}
>   object {RotBox translate <-1,0,0> interior {ior 2}}
>   object {RotBox translate <0,1,0> interior {ior 2.5}}
>   object {RotBox translate <0,-1,0> interior {ior 3}}
>   object {RotBox translate <0,0,2.5> interior {ior 3.5}}
>   object {RotBox translate <0,0,-2.5> interior {ior 4}}
>   hollow
>   pigment {color rgb 0.05}
>   finish {
>    reflection 1
>    phong 1
>    phong_size 20
>    irid {0.3 thickness 0.45}
>   }
>   rotate 90*x
> }
> 
> Norbert
> 

Very nice.
I have a question : Why set those IORs? There is no transparency and no 
fresnel reflection, so, nothing were the ior can have any effect.

Now, let render this with fresnel turned ON or with some transparency.


Alain

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