Tentacles test

Hello! Can you tell me how to get the tentacles to crawl into the holes and collide with them? When I assign a marker to “pTorus” objects, the hole disappears. I need the hole to be saved and the tentacle passed inside the hole. Please tell me how to do it?
ma file here

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Hi @eumelnikov, try the Assign Environment option.

Marcus, Thank you for the advice, I will try this option.