He built a 3D printed milling machine that will make a printed circuit board. The design of this tiny micro mill is based on a handheld rotary tool, also called a Dremel, but that’s like Kleenex ...

Maybe a CNC ... mill, if you were lucky. Laser cutters are still a rare tool to find in a personal shop, but today’s hackers increasingly have access to 3D printers. What happens when you have a ...