A brute-forcing delta robot
<iframe width="560" height="315" src="//www.youtube.com/embed/9R_D-zX3yP8" frameborder="0" allowfullscreen></iframe>Video of an early version in action: http://www.youtube.com/watch?v=9R_D-zX3yP8
Special thanks to marginallyclever.com for the original basis for this work.