If you’re interested in making things (and since you’re reading this, we’re going to assume you are), you’ve almost certainly felt a desire to make metal parts. 3D printers are great, but have a lot ...

The UK-based International Innovative Milling Technologies Ltd (IIT) has developed new low energy milling technology for a wide range of mineral processing and size reduction applications. The ...

I found a Rockwell 21-122 Horizontal/Vertical milling machine on craigslist in great condition. I purchased it from an estate sale, along with a lot of tooling.

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...