I put it together with 1 3/8" top rail pipe from Home Depot. The cast aluminum corners are my most worried part. I hope they don't fail I examined them for class and think I picked the best. The angle is slightly steeper thank my other spot but this way my dog can get used to sleeping under the hammock.

I have seen several designs like this. I have been unable to find them though. After I replace my desk all will be better.

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