Everything Cryptex

Yet another cryptex. I couldn't find a printable cryptex with all the features I wanted, so added everything I could think of.

### Features include:

- All parts are customizer-enabled for customizing the dimensions (internal length and diameter), number of rings, number of positions, and the letters/numbers/whatever on the faces of the rings.
- Changeable code without reprinting.
- Detent mechanisms, so rings snap into place and "click" when turned.
- Resistant to "picking" by feeling