Dice Box for Casino Style D6 and a D20 - Hidden Magnets

Added v2 with a bigger chamfer on the outside (0.4mm instead of 0.2mm) after feedback.

I wanted a small footprint dice box which I could use for playing Disney Lorcana, which generally only requires a few dice and maybe a D20, so I created this. There are two versions, one plain and one with the logo of the 20Lore.Pro group of which I'm a part of (check us out on Discord and YouTube).

This box specifically fits 5x 19.5mm casino style d6 with a good fit, and a tiny bit of wiggle room. The D20 in the image is one taken from an old Magic the Gathering fat pack which is roughly 26mm diameter at its biggest point.

The box uses a pair of hidden 10mm x 1.75mm Nd magnets to hold it shut. They're not the strongest but should be fine for holding something like this closed in a bag.

To insert the magnets, make sure to put a pause or filament change instruction after layer 77 in the code. I then push fit the magnets into the holes and resume the print, with the printer then closing them off with three more layers of printing. My presets give a very snug fit for these magnets, they take some force to push in, but that means I don't need superglue. You may want to superglue them in if you have different tolerances.

Pictures printed on an Ender 3 S1 with black eSun PLA+, a 0.4mm nozzle and 0.2mm layer height with 10%-15% gyroid infill.

My Fusion360 file is very shoddy (I'm a beginner with modelling), but I've included it here so you can change things like the size of the cutouts or magnets.