Parametrized Dominion (or other card game) box

This was inspired by [Miklbr's box](https://www.thingiverse.com/thing:2117381) and seeks to do some of the same things with more end-user customizability. It doesn't have the trays for base cards, but you can name and size your own slots, configure the size and depths of the slots (so there's no reason why you can't use it with games other than Dominion, say), and control other details of the box's dimensions.

The label-making is a pretty ugly hack, I'm afraid. There are three different versi