• johsny@lemmy.worldOP
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    1 month ago

    It is 40mm. The only problem is the long upright, it is a bit bendy so you need a support to keep it from sagging when you have two bows on there. I just used a scrap bit of aluminum angle to support it.

    • ayyy
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      1 month ago

      I see the cross bracing now that you point it out, thanks!