Nick Carter (www.cartertools.com) is a jack-of-all trades who divides his time between selling machine tools online, machining, making jewelry, and enjoying family life in idyllic Philomath, Oregan.
Author of these Magazine Articles
MAKE: Online Extras
How To: Make Square Holes in Aluminum Sheet Metal
Why would you want to make a square or rectangular hole in aluminum sheet metal? The short answer is that engineers are perverse, but there are other reasons: to make something that slides in or mounts on a hole without rotating, to make a picture frame, or perhaps you just happen to have a round peg that seems lonely. Here are 14 methods of making square holes for a variety of situations.
by Nick Carter; July 21, 2005