If you don't plan on moving it too much, I think it would probably work fine as it is. If you wanted to really firm it up, you could assemble it, then weld the horizontal members inside the angle legs (kind of hide the welds), would make it very rigid. Of course the heat will burn off the paint in those spots, would need to repaint if you want it to look nice. I also like to add a piece of 1/8" neoprene between stands/pedestals and the tool, I find that tiny bit of cushion contributes to overall smoothness of the machine.