This is designed as an insert for your wardrobe, cabinet or whatever.
My dimensions (70mm x 145 mm) is capable of holding 450 unsleeved cards easily, possible of around 500.

if you want to hold sleeved cards, open the file in a slicer or tinkerCAD and scale the width 4mm wider

easily scalabe in your slicer or tinkerCAD to fit your cabinet-size (i designed it a bit smaller, so i use 3 in a row.

printed on a k1c with 100%speed around 1hrs