How to make *extractsrf* certain part of area of the shape

Hello all

As shown in attached picture, I created a 3D shape and I gonna make extractsrf certain part of area of the shape.
Could you please tell me, how can i do that?



AliHamzeBESTbest.3dm (908.4 KB)


you can use ExtractIsocurve first, then split the surface with them or use extractSrf with Copy=yes to keep the original.

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Hello - Use Split with the Isocurve option, Direction=U


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