How can I trim column geometry with wall geometry?

Hello everyone,
I would like to ask a question. How can I trim column geometry with wall geometry? I want to get the surface area of the column that is located outside the wall. I used Geometry.IntersectAll but the result is the column geometry that is inside the wall. Thank you in advance!

you need a node called Solid.Difference for that :slight_smile:

hope this helps!

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