Very sleek 3D printing platform from Hackaday, Thingiverse

[Steve Leach]

http://hackaday.com/2012/07/13/3d-printing-with-a-delta-robot-that-seems-to-simplify-the-concept/

http://www.thingiverse.com/thing:17175

Seems like it would scale nicely for all sorts of tooling. (and is begging to be built into a floor to ceiling printing/milling shop version).

[Ben Hibben]

Impressive speed on that unit.

Blenster

[Steve Leach]

Nahh.. This one is impressive speed: http://www.youtube.com/watch?v=Gv5B63HeF1E :-)

[Brian Wagner]

That may be the one I have to build.  I have had my eye on building a delta robot for a while.