Could someone please share the method of extracting 2d section on a curved grid.
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If you mean a curved Section Callout, unfortunately that is not possible today. Can you share the details of the drawing you want to create?
It is possible to create 3D views using Clip Volume by shape that can follow a curved grid line or other profile. We do not have any way to unroll (or develop) the cut plane onto a flat surface.
Does that offer any utility in your circumstances?
I don't think that there is anything available on the market for this.
You may have to cobble something together using something like GC that will at least capture the main features.