Patrick Hood-Daniel is a hobbyist. By day, he is an urban designer trained in architecture and city planning at the University of Miami and the University of California. But in his spare time, Patrick puts skills from a previous career as a computer programmer to good use in building and operating computer numerically controlled (CNC) fabrication machines. He is the creative force behind BuildYourCNC.com and is well-known for designing CNC machines that can be built at low cost by normal people, without any special or expensive tools.