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I have reconstructed vertical features (hole like objects lie on a vertical face) lie on two connected faces. To understand the situation, I say I have 2 walls with many windows and doors on each. suppose, these two walls make rectangular corner. (I have inserted a figure on my 3d model)

enter image description here

Now, I want to know the type of my 3d reconstruction because I am confused whether my model belongs to CSG, or B-REP or Polyhedral or...

could you please clarify my model is belong to which type. thank you.

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It's B-rep, because you're defining an object by it's limits and non-manifold because your object has no thickness. It's also polyhedral for me because you're using only planar faces.

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