Starting to consider my design for a 84" long by 32" wide stand. I picked up a bunch of 2"x2" 1/8" wall tubes 22.5" long that I will be using for the uprights. Would 14 gauge 2x2 tubes work for the long spans or do I need 1/8" for that as well. I have enough of 2x2s for uprights and 45 degree gussets to strengthen it up.
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