They are widely available. They are usually found under furniture grade fittings or pipe. You are correct about $$. But if you are OK with colors or some appearance imperfections, the are priced much more reasonably.
The exterior dimensions are approx. 24x24". I did a thread on the frames I made for the closet.
the 1/2"plywood base is 22x24". The dimensions are determined based on the space they will be used in .
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I used these 1" plugs to anchor the pipe
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The PVC is 1 1/4" basic schedule 40. The verticals are cut to 22"
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The catch tray is a 18x26x3" pizza dough rising pan. I will set an Autopot XL tray in it. If I mess up the auto valve, hopefully the tray will catch most of it.
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I will cut 2-3" lengths of 1 1/4 pipe to use as bushings for the top o…
this table may be of use. I used 1 1/4 pipe and 1" pipe because the smaller fits inside the larger.
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