Here you can find a lot of models, with (free?) PDF/AI files to download. So you can easily print and cut it yourself.

https://www.pacdora.com/dielines-detail/custom-dimensions-tuck-end-boxes-auto-bottome-snap-lock-dieline-102012

https://image.nostr.build/d39e4ae7b769c66530b1ee6529adb31c779e6ce8f851c2914c6104e4bd48387b.png