Customizable Card Boxes and Lids

**This is still very much a work in progress; feedback is really welcome.**

This Customizer lets you create cool boxes and lids for the cards that come in your favorite tabletop games. The boxes use a lock-and-key mechanism that lets you securely stack boxes on top of each other, keeping everything neat and secure. The boxes will work with virtually any card size or deck thickness. You can add labels to the boxes and lids so everyone knows what goes where. And everything prints easily with no