parallel kinematic machine run from Mach

I did this a while ago, I came up with the idea because I wanted to
create a laser cutter with very low intertia, I didn't post any info
about this specific machine because I thought there might be
commercial potential. Of course it turned out to be a reinvention as
most things are and even combining it with a laser has been done or at
least appears in a diagram in a paper. So here it is:

http://www.youtube.com/watch?v=QMJE7o_3aFo

It is just a simple test rig made from some printer parts holding a
pen. There is another video showing a close up.

You can find out how I controlled it through my old page on parallel
kinematics using mach3:

http://www.indoor.flyer.co.uk/kinematics.htm

Cheers,

Graham