Espresso caps dispenser

I use an espresso machine that's uses coffee caps, so I decided to design an easy to make and to use dispenser, refillable, that can contain 6 caps.
It's practical and it looks nice in the kitchen near the machine so I decided to publish it.
The design is simple but it works well.
In the images there is a "line" on the top of the dispenser because I had some printing problems, but the design is okay.
I don't know if other countries uses the same system to make espresso, (and neither if the