Yeah PVC pipe will work, if your pots are big I would go with 3/4 inch diameter.
It looks like the legs are just supports and rest on the bottom of the bed.
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@Shadey Thanks for the observation, my friend. Now I have faith that will work, fill the house with beds of cultivation. 
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Yeah, don’t think around the bottom but I could be wrong. Deaf need legs on the sides and on each end.
No reason pvc can’t go at the bottom too. Why would you bother? Can’t see it moving much when it’s full of soil. Just sew a pocket in and you’re good. Stay away from the grey PVC pvc for electrical work. It’ll flex more than the white stuff or beige CPVC.
What I’m curious about is the fabric itself. What about using black weed barrier some call landscaping cloth versus felt? Don’t see why it wouldn’t work, but then I’ve never used bags either.
Asked my wife if she’d do the sewing for me. I won’t repeat her reply in mixed company.
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Yeah, I have some made with a double layer of landscaping cloth that have lasted a year and a half in an outside grow.
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Here is how I did mine
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I have half a 7 ft wide roll of the garden weed stuff, heavy grade, close to 50 ft long. I aquired it from a dumpster on a construction site about 4 years ago. I might make a frame with legs on the outside from 2x2 and just staple the felt to it from the inside to the legs and top. Make up some big ones for outside.
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I made an 8’ by 2’ just last week out of leftover 2x4s, 2x2s, and some 1 bys
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How did you secure them, I was thinking I might have to sandwich them between something on the top rail to stop it tearing away, with a lot of weight. I was going to use a nail gun stapler. Maybe a strip of 2x1 along the the 2x2 with the felt between them. I will have to dig the felt out and give it a tear test.
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Yes, that is what I did wrapped around 2x2 & sandwiched the 1 bye on the inside of it. I will have some photos up tomorrow
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I want to thank you all guys that help me with some tips or photos. @Northern_Loki @LonnieBoy28 @Shadey @Schmokey @ReikoX . Now i know what i have to do. I’ll buy some PVC, mount a structure and fiz the felt. Like reikox did. Photos coming soon. 
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Do fabric pots restrict the size of autos the way solid pots are said to do?
@Vertebrata - From what I’ve read so far it seems that if portability is important, fabric pots may not be the way to go. Be curious to know what other’s think on that one.
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Fabric pots will not restrict the growth of the plant it will provide constant air pruning to the roots so no rootbound plants like plastic pots. I’ve been using smart pots for aometime now and nothing but great results. Repotting is a pain in the ass with them so I normally use them for final pot transplant for bloom.
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Exactly the answer I was after 50S. Thanks.
The general consensus is to pot up autos in their final home regardless of the container.
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Hi guys, my question goes to @ReikoX, but if anyone knows, it can help me too. I’m looking for this socket to connect the pipes at the edges of the structure. I did not find it here in the city, all the salesmen were surprised and said they had never seen it. I wanted to know the name to try to buy online.
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Something similar to these?
LASCO 90-Degree PVC Sch 40 Side Outlet Elbow
https://www.lowes.com/pd/LASCO-90-Degree-PVC-Sch-40-Side-Outlet-Elbow/3344666
Side story: Wife went to the store to pick-up some pepperoni for pizza. She couldn’t find it. So she asks a store clerk. “Never heard of it”. Lol.
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Exactly this. I’m searching for sites in Brazil and I’m not finding it. And this one you sent does not send to Brazil. 
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Don’t really know anything about suppliers in Brazil.
You could probably order via Amazon.com sources, though expect to pay through the nose for international shipping.
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I’ll find a way. 
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I found them at my local lowes store.
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