This is a card holder that slots into Wyrmwood's Modular Gaming Table.
Assembled with 10mm x 3mm magnets super glued into place. I used these:
https://a.co/d/1Lthh2x
Printed with this filament:
https://a.co/d/a7WD8XD
I printed it at 0.28 layer height to save time and it took about 12-14 hours and 200g of filament.
The author marked this model as their own original creation.