We have one. Similar set up. A bit heavier poles. Concreted in. Only two lines about 12' each. Turnbuckles to tighten as poly coated cable stretches.

Shorter three setup in basement on string. Use the basement all year long. Summer time the bedding and such goes on the line. Won't be without them.

[Linked Image from i.ibb.co]

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Dying gets closer every day

Lloyd McCarter and the Honky Tonk Revival