This post was published more than a few years ago (on 2015-04-02) and may contain inaccurate technical information, outmoded thoughts, or cringe takes. Proceed at your own risk.
I've applied to get a table in Artist Alley at Emerald City Comicon in Seattle next year, for my VFX podcast, The Optical. So, before I helped my good friends at AAlgar Productions pack up their table this year, I took some measurements. Assuming I get the table, I plan to have an overhead display clamped to the table, and bins underneath. If you're doing something similar, here are some useful dimensions.
Here's a scalable PDF of the same dimensions, all released for you to use under CC BY 4.0 (tl;dr — give me attribution, preferably with a link to this blog post, then use it however you like).