> Tried to put everyones ideas together - what do you reckon.
> 
> Mick
>  
>
camera
{
  location  <0.0, 0.0, -15.0>
  look_at   <0.0, 0.0,  0.0>
}

background{color rgb<0,0,0>}
light_source {<0,5,-20> color rgb 0.25 }
// ----------------------------------------

#declare nmb=-15;
#while (nmb<=15)
   light_source { nmb*x color rgb <0.2,0,0.1> }
   #declare nmb=nmb+0.33;
#end
cylinder { <-5,0,0>, <5,0,0>, 0.2 pigment { color rgbf <20,2,5,0.5> }
finish{specular 0.5}
 }

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