Braces would be something to "sturdy up" the legs, so they just don't wobble around once the full weight of the desk is on them. Generally, you can do some "x" braces, and that would be most structural. I'll hit paint real quick with one of your pics, and try to explain a bit better... brb
Ok, in my 2 sec drawing there, I tried to hit up some of the options.
The Red lines would be just a single board/whatever that would attach along the backside of the desk, leg to leg. Then from there you attach to the other legs. This would ensure the legs don't wobble around on you.
The Blue lines would be the "x" bracing I was talking about. Start at the top of one leg, and go down to the bottom of the other leg. Again, that would hold the bottom of the leg in place.
The Yellow lines is yet another option. Some desks have a flat board that runs about half way up the legs, that helps support them. Again, I'm just throwing out some different ideas. No matter which way you go about it, your gonna want something to hold the bottom of the legs in place.
One idea for your printer table, is maybe add another little shelf underneath the top, that would hold those four legs in place, or at least sturdy them up some..
Anywho, just some idea's .
Good luck! Edited by KarmaKiller - 5/18/08 at 1:08pm