This is an original model I initially tried to sell on Etsy, but nothing ever came of it. You can remix, 3D print, or do whatever you want with the model as long as you give me credit for it.

There are numerous iterations, the ones in the picture being the mini version of 3.0, which holds regular mini sized cards. Print whichever you wish.

It holds standard sized cards, sleeved and unsleeved.