I adopted a couple of dice sets since I was asked to join a DND campaign. But I wanted to nice way to store them as well as using them while playing.

This is based of the sizing of "standard" dice with a but of clearance if you wanted to add a layer thin material to keep them from rattling too much.

The box lid and bottom are indexed and will close nicely, But I would suggest adding a simple strap to prevent it from opening easily. It should clip closed with 0.2mm clearance.. but I made it with the idea of adding a leather strap.

And because both sides have slots in them, you can either use more dice sets while playing.
Or you sort you dice with the ones you will use the most during gameplay.

The finger slots on the side make it easy to open and give it some flair.
Everything has been rounded, so the only 90 degree edge is that of the outside where the two halves meet up to close as 1 unit.

Creality

CR-10

No

No

0.12mm - 0.2mm

20%

These are super easy to print with the top and bottom orientated open on the print bed.
0.12mm layer height is not needed.. bit less sanding clean up if you intent on finishing with paint.