Sweep along the curve with the perpendicular profile to base plane

Hi everyone,

please, do you know any way how to do sweep along a curve, where will be the profile still perpendicular to the base plane (floor plan)?
Red line represents the profile on the picture.

Thanks for any help.

Hi, did you attempt anything yet? If not, this could help you to get started:

If you know Generative Components or Grasshopper, my advice would be, do this there as Dynamo has a very basic geometry engine which is really in its infancy. Otherwise, read this. I post a solution at the end:

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