modeling dna molecule

[mdiaddigo]

Just purchased Lightwave. I'm looking for suggestions for modeling a simplified dna molecule. It should look like a spiral ladder. I'd like to make the "rails" of the ladder wide and thin, like a ribbon. The "rungs" can be simple cylinders. Is there a better way than applying the extrude tool to the helix primitive to make the ribbon shape?

Thanks,
Matt

[Noclar7]

These might not be exactly what your looking for, but they are in the same category:

http://www.flay.com/plugs/downloads/HelixRT.zip

also

http://www.chromecow.com/downloads.htm

go to Lscript, then PDB reader

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otherwhise you could doa rail extrude on a spline, or create a tube, subpatch it, then us the bend and/or spiral modifiers

[txbob]

lathe 2 disks with an offset will create the helix. You can set the start angle to 0 and the end to 3600 to create 10 loops. The "rungs" can be made by cloning with a rotation.