Personal 3-D printers are getting more powerful and more advanced every year. The latest models, on display last weekend at New York's annual Maker Faire, can crank out everything from model Eiffel Towers to wearable high-heeled shoes.
Swarms of hobbyists, parents and kids descended upon the event's 3-D printing village to test out the latest innovations, including the Form 1 -- a printer aimed at professionals that creates high-resolution objects using a method called stereolithography.
The process involves a built-in laser that draws on the surface of a liquid plastic resin. It's typically expensive, but a group of engineers and designers at MIT recently pioneered a cheaper way.
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