Can anyone tell me what this Grasshopper module is?g

My apologies if this doesn’t belong here.
I’m a newbie to Rhino and Grasshopper, and a jewelry designer. I need to learn by doing, so I was given a photo of a script for a ring and I’m trying to recreate it the input.

I don’t know what this module is and I can’t seem to find it.

For context, the C output of the Voronoi module goes to the A input of the module in question, and the C output goes to the C of Curve to Polyline module.

That is the Brep|Brep Intersection component.
Found under the Intersect>Physical tab.

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thank you!