Chris Huff wrote:

> Try something like this(untested!):
> #macro DoubleHelix(Num, Twists, Height, Radius, MinorRadius, Offset)
>     union {
>         #local J=0;
>         #while(J<Num)
>             sphere {< Radius, Height*J/(Num-1), 0>, MinorRadius
>                 rotate y*360*Twists*J/(Num-1)
>             }
>             sphere {< Radius, Height*J/(Num-1), 0>, MinorRadius
>                 rotate y*360*Twists*J/(Num-1) + y*Offset
>             }
>             #local J=J+1;
>         #end
>     }
> #end

I would use a low-throshold blob; less damanding on resources and faster to
render.

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David Fontaine     <dav### [at] faricynet>    ICQ 55354965
Please visit my website: http:/www.faricy.net/~davidf/

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