Cardboard Box/Regular Box Stacking System

Great for BambuLab packing boxes or any type of box that doesn't have a lid and you want to stack them If you have boxes around that don't have a lid and want to stack them this will solve that issue. Added a removable platform so there is larger weight distribution for stacked boxes and accomodates for slightly smaller boxes. I printed in PLA and have found it to be absolutely fine, they let the supporting cardboard boxes hold a decent amount of weight. I'm new to CAD so any criticism is welcome! Boost or a like would be appreciated!