Any folks out there seen or done a similar project to this - http://www.engineeringhobbyist.com/p...olumn_support/
It looks logical; you still have the ability to nudge the Z column for tramming purposes. I'm thinking about doing something like this combined with a 100lb steel plate fastened to the bottom to give it the most rigidity.
I don't have any specific requirements - just enjoying and experimenting.