We had been sent 7 mockups from other suppliers, and every one of them treated a pen as a plain rectangle. The dieline that came back here had the mouthpiece standing up and the warning block already sitting inside the panel; nobody had managed both for us before. That single drawing is what moved the account.
The whole flavor range now runs on a single box size and a single print pass. The panel is identical across all of them, so the warning is never the part someone forgets to update in a rush, and the warehouse holds one carton size instead of a shelf of them.
Because the cut file is kept on the same reference, a 12th flavor was artwork only. No new tooling, nothing to re-approve beyond the print, and the sample the brand signed still describes what arrives on the pallet.