The Raspberry PIZ Dispenser dispenses Raspberry Pis. At least, Pico or Pico W models, retained inside the little plastic trays they come in when you buy them by the reel or in larger quantities!

I designed it to fit the average width of a Pico-in-tray after cutting them off the reel around the midpoint between each Pico.

The one part of the design I didn't 3D print is the pusher spring, which I found worked best using a Sprinco 30-round AR-15 Flat Wire Magazine Spring, which comes in a 3-pack, and can be acquired through many online gun stores. Nerf springs could work too, but they need to be rather tall and rather oval / wide to not get stuck.

I also tried 9mm high-cap magazine springs but those did not work as well and were prone to jamming.

I have a video about the springs on my YouTube channel, which I'll embed here if I remember…