Designed this for making swapping cereal box dry boxes quicker. I didn't want to make holes in every box and this allows easy swapping. Uses standard PC4-M10 fittings. The boxes I use are from amazon linked below, but fit some of the other ones I have with the round hole.
Print profile is for Bambu PETG.
https://www.amazon.com/dp/B08HQ7133Y?ref=ppx_yo2ov_dt_b_product_details&th=1