Simple Box with Magnetic Lid

Edit: I've adjusted the magnet hole sizes a tad. They weren't perfectly round in the old version, they were actually 16 sided hexadecagons which I failed to notice. It made insertion of the magnets exceedingly difficult. They're perfectly round now, so the magnets should fit a little snug.

It's a simple box with a lot of angled reinforcements along the edges. Box size is 2.5" wide, 4" long, and 1.625" tall (without lid). I made a bunch of them for my D&D players and they seemed to like it. It can hold dice, miniatures, tokens, and anything else they want to put in it. It uses a total of eight 6x3mm round magnets. Here's the Amazon link:

https://a.co/d/cdynjrT

You really don't need supports for this. The steepest overhang angle is 45 degrees. You can use PLA, ABS, and any other stiff material you'd like. TPU is not recommended as the point of the box is to protect the contents.

The magnet holes in the lower box have a small hole where superglue can leak into the box. It's not a big