Create a Solid surface from points using the Delaunay 3D filter

I have a set of discrete visualization points as seen in the image which is in the shape of the letter H (left side of the image). I’m trying to make a solid surface for better visualization using these points using the Delaunay 3D filter of Paraview. However, when I do this I’m getting a rectangular shape as seen in the right side image. How can I fix this? Thanks for the help.


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@Renard You may want to play around with the Alpha parameter, which approximately correspond to the maximum edge size you want in the result:

Smaller edges are required to enter into concave area.

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Thank you for the response