Prometheus automated PCB printing machine is capable of carving, drilling, and shaping printed circuit boards directly from desktops.
Reportedly can create fully working PCBs in minutes. Includes custom-designed spindle, with 45,000 RPM and a static total indicated runout of less than 2.5µm. Has measured 10mm below spindle bearing. Can run bits as small as 0.007" in diameter.
Zippy Robotics, www.zippyrobotics.com