Current technology advancements have brought down the costs of 3D scanning and printing to achievable prices for some companies and businesses. The days of $20,000 machines may be coming to an end. (maybe 20k if the machine is enormous.)
Keep an eye on Kickstater and Indiegogo, the desire for these types of devices will drive innovation.
Fifty-six-year-old Pasquale Russo has been doing metalwork for more than 30 years in a tiny southern Italy village. Many craftsmen like him brought with them fabrication skills when they came from the Old World to America.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.