Found these two motion control demo machines on youtube.
Very nice
http://www.youtube.com/watch?v=kTOrzvP5Fh8
http://www.youtube.com/watch?v=HdtyczafhI4
Very nice
http://www.youtube.com/watch?v=kTOrzvP5Fh8
http://www.youtube.com/watch?v=HdtyczafhI4