Stackable Storage Box for Arkham Horror LCG

A stackable storage box for Arkham Horror LCG cards (or similar games) with vertical dividers inspired by [https://www.thingiverse.com/thing:647425](https://www.thingiverse.com/thing:647425).

This is mark 3. This version includes a few more ledges and splines to make it more rigid and addresses the problem with the top ledge that was not supported once printed. No need for supports or brim now.

I also stretched the width of the box a little bit to make easier to move the cards around.

Even though the edges are sharp they print out nicely rounded if printed with 0.4mm layer height and regular speed. 1st layer 0.35mm and 0.3mm the others.