slim, very light and minimalist (just a bit bigger than a credit card) 3D printed wallet. spring retention system holds up to 6 cards. internal storage (under the top card) for 3 bills and/or keys and/or coins and/or memory cards and other small items.
recommended (but by no mean limited to) filament is PLA
for assembly you'll also need: _ 4x M3 12mm countersunk bolt _ 4x M3 low nut
completion is quite easy, but should you need a help, please see the assembly guide document/image