Getting precise cuts with trådgnistning

If you've ever looked at a piece of metal with an incredibly intricate cut and wondered how they did it, there's a good chance you were looking at the result of trådgnistning. While it might sound like a bit of a mouthful if you aren't familiar with the terminology, it's essentially the process of using a thin, electrified wire to slice through metal like a hot knife through butter—except the "butter" is often hardened steel or titanium. It's one of those manufacturing secrets that keeps the modern world running, even if most people have never heard of it. ...

February 13, 2026 · 7 min · Flikstein Sheiner