Kẹp giữ thùng carton

I needed to store a box of stuff and didn't want to ruin using the alternating folding tabs method we've been using since we crawled out of the primodial ooze. I whipped up this model, which works well with the thinner cardboard companies are using lately. 

Print on its side with 15-25% infill in your favorite non-flexible filament.