dassauerkraut (npub1rp7…dylh) eee 📈 💨 💥 (npub1wqw…0j0p) Weld sheet into a circle and just keep running it through the rolling mill for wire. As long as it feeds and comes out straight it works.
To bend it, fill the channel with oil and thread copper core through it. Do the bend and pull out the copper. Voila, hollow gold links.