CNC (computer numerically controlled) drill machines are expensive, but they can be very useful. You can use them to build intricate shapes out of metal or wood, which is great for jewelry making and other types of handcrafts
However, you'll need to have a good understanding of how they work before you attempt to build one yourself. This article will show you how to build a CNC drill machine from scratch, step by step.
cnc drilling machine working principle