Creating plane & Splitting Breps

hi Everyone,
i try to create plane where it goes wrongs to many planes are generated and splitting the breps from two different data structure
just could not figure where i went wrong

could some one help me fix it


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I’m not sure this is what you are after, anyway check this.
Even though if you have some “Flattened” data, you could also use Split Brep Multiple and after that, you could reinstate the original tree structure by using Unflatten Tree.

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actually am trying to split like this marked in the in the screen shot

Then, you forgot to use Brep Join before providing shape input of Plane Through Shape.

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Thanks Kim smart thinking i never taught like that …