CNC is a popular topic on this website. I've built one, and I would like to take a moment to share some of my thoughts on the matter to those thinking about making their own. There's a gazillion different DIY CNC machines on the Internet and they all look cool. But many of those same machines suffer from basic design, and decision flaws. This article is focused on the lower end of the market. If you have money for THK linear guides, and ground ballscrews, then this is NOT for you!For ...