Rolling cart advice sought

Since my machines aren't being moved for at least a couple days I'm going to spend the time making some rolling carts to replace most of
the benches in my shop. I have lots of 2 inch 1/8 wall square tubing for the legs and plan on using 1x1x1/8 angle to make the shelf supports and to tie it all together. 2 x3 feet is about the largest I will be able to move around in the shop easily so that's my max size. Any thoughts on shelf height and number? I will be using 3/8 ply for the shelves with supports underneath. If I turn the angle up that leaves a 1/2 inch tall lip. Think that's enough? Any advice? Thanks, Eric
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snipped-for-privacy@whidbey.com wrote:

A few thoughts (mostly from things I didn't do one time or another, and wished I had).
1:I would think a 1/2" lip is more than enough to keep things from rolling/ sliding off, but the raised lip can act as a guillotine edge when placing something heavy on the shelf.
2:I would also consider adding some way of clamping or bolting the carts together so that they can act as a single bench/table if needed.
3:Adjustable levelers or feet. Do not leave them sitting on whatever you will use to make it roll.
4:Paint the underside of the shelves white before you put them in.
5:If you ever want to comfortably sit or stand at it and do work, do NOT bring the shelves/ supports out as far as you do the Top. i.e leave an overhang.
6:Leave your bottom horizontal support in the front, at least 6"/ 10cm up from the floor, so that you can get a broom, your arm, & Vacuum cleaner hose under there! Other wise you can't clean it up, it won't roll when you want it too. On the up side you will always know WHERE that screw that fell went. :) jk
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Greetings JK, I took some of your advice and built the bottom shelves 6 inches above the floor. The carts don't need to have levelers because they will be rolling around on thick rubber mats. I have tested the mats already with a prototype cart loaded with over 200 lbs. After sitting all night the cart still rolled easily and the mat didn't indent. The mats are "horse mats" that I but at the local farm supply. The prototype cart has a lip around all the shelves. I don't like it so much so I built the next two without lips on the top shelf. I still need to build 4 more at least and at least one more will have the lip on the top shelf for parts that like to roll around but I think most carts will be lipless. Thanks for your thoughts. Eric
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