[MrForbes]

That's a great suggestion Al. We made 4 of those very brackets yesterday to attach the base of our 4 legged tower to the kit chassis. I don't have pictures of the finished product, but I did remember to recharge the battery for my camera when I got home last night.

Here's an example of how we made similar brackets to attach a vertical piece to the wood chassis of our 2009 robot. You can turn the bracket 180 degrees, so the vertical part sits on top of the lower lip of the bracket, and it makes a compact, strong joint.