Caleb you are right if you have the skills which I don't!
For my Stanley I compromised, doing without the sharp outer corner. I took round section, milled a flat, made a jig to bend it round hot then made a faceplate fixture for the lathe to present each leg separately for turning and threading.
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I needed some more for another project and planned to use exactly the method described by Rolly but at the time couldn't get hold of flat stock to water cut although I now have found some. In the meantime I found a blacksmith!
Mike