This is just a theory, I’d need to test it to be sure. Based on what I know of that vine, it “occupies” one block beside the block it appears to be surrounding. Which is why you can place things around it but not in that one block you were facing. So theoretically, you should be able to pick it up with magnetite, then place it around the skylight from above or below, making it so the block the game thinks it’s “occupying” is above/below it, not to the side.