Chess robot

**Hello Thingiverse :)**

This project is a compilation of 3 others:
* Gripper by maquina_pensante (http://www.thingiverse.com/thing:1322867)
* Robotic arm by Idegraaf (http://www.thingiverse.com/thing:1241491)
* Chess set by MakeALot (http://www.thingiverse.com/thing:19745)

Inspired by these projects I made a simple plan: to build a robot to allow to play chess with a friend in other location.

First I made a gripper (http://www.thingiverse.com/make:195330).
Then I designed a very si