What is the best way to draw this kind of DNA shape?

Hi there
I am in trouble with drawing this kind of shape

Might something like this help? https://grasshopperdocs.com/addons/alba.html

Or this https://youtu.be/xgUJ_AsCUdo

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Thank you for your reply
I think both methods are very useful

You can get your base curves like this…

DoubleHelix_re.gh (11.0 KB)

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Thank you!