Customizable Escalator

**A newer version of this design is available here: http://www.thingiverse.com/thing:1911788**

This is my first design with moving parts, a fully customziable simple escalator. When leaving out the steps it can also be used as a conveyor belt or maybe tank tracks without the chassis.

Before printing everything it is best to print a couple chain links to see if they work. When using multiple links per step the chain link with the socket on top can be used to connect both the horizontal and