Curved beam under shell

Hi guys,
I am looking for a way to generate beams (rectangular section), which could be able to follow an existing grid over a shape (for example an organic surface like a shell). Could it be possible?
Thanks in advance
Best regards

You might want to try the definition I had posted in the old GH forum thread.

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That’s exactly what i had in mind! Wonderful, thanks a lot HS_Kim!