Inspired by a video showing a spiked cylinder ("Ouchie") that is intended to stimulate a bit of pain, which can actually help focusing better in certain conditions (like ADHD), I wanted to quickly design such a thing (but with hex spikes) and test what it's about. I showed it around and instantly two people wanted to have one, and I also got the suggestion to add a clicky to it - so I did. But I also designed this version that uses the space inside as a small container.

The lid can be turned around to be operated by a small coin (see image).

Printing: Standard settings, though I prefer to tune down acceleration for the outer perimeter quite a bit.