Thank you Josh, but a want an other thing. I think I could do it with blobs.
Thank you for your help. I'm going to tray my idea.

Best regards,
Oleguer
http://www.infonegocio.com/oleguervm



news:4121fdf0$1@news.povray.org...
> try this dude...  Is it what your after
>
> #include "colors.inc"
>
>
> camera {
>   location  <0.0, 25, -40.0>
>   look_at   <0.0, 25,  0.0>
> }
>
> sky_sphere {
>   pigment {
>     gradient y
>     color_map {
>       [0.0 rgb <0.6,0.7,1.0>]
>       [0.7 rgb <0.0,0.1,0.8>]
>     }
>   }
> }
>
> light_source {
>   <0, 0, 0>            // light's position (translated below)
>   color rgb <1, 1, 1>  // light's color
>   translate <-30, 30, -30>
> }
>
> #declare bobblybits = union     {
>         sphere  {
>                 <0,0,0>,
>                 .5
>                 translate <-2,0,0>
>                 texture { pigment { Red } finish { phong .5 } }
>                 }
>         sphere  {
>                 <0,0,0>,
>                 .5
>                 translate <2,0,0>
>                 texture { pigment { Red } finish { phong .5 } }
>                 }
>         cylinder{
>                 <-2,0,0>,
>                 <2,0,0>,
>                 .15
>                 texture { pigment { White } finish { phong .5 } }
>                 }
>         };
>
>
> #declare halfHelix = union      {
>
>         #declare myCount = 0;
>
>         #while(myCount < 100)
>                 object  {
>                         bobblybits
>                         translate <0,myCount/1.2,0>
>                         rotate <0,myCount*4,0>
>                         }
>                 #declare myCount = myCount + 1;
>         #end
>         };
>
> object  {
>         halfHelix
>         }
> object  {
>         halfHelix
>         rotate <0,90,0>
>         }
>
>
>
>
>
>
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>

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