Making a simple pencil box with no lid and he's making these ribs in between, how do I tell Vectric to cut the ribs as 3D objects, but keep the pocket tool path from cutting into the ribs?

Making a simple pencil box with no lid and he's making these ribs in between, how do I tell Vectric to cut the ribs as 3D objects, but keep the pocket tool path from cutting into the ribs?

The answer to this student question can be viewed in the 1/31/2023 Q&A Meetup at the 00:32:31 timestamp(must be logged in to watch).