Select objects

[user2967]

Hello
I have a problem. I want to select objects that collide with the surfaces around the volume.
Does anyone know how to select these items?

[Japhy]

Is the issue in creating the definition to get the collisions or the actual selection in Rhino?

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[HS_Kim]

Have a try Clash.

Clash_re01.gh (9.9 KB)