Next Generation 3-D Printing: Higher Resolution, Tastier, and Super Cute: For desktop designers, consumer-grade 3-D printers are nothing short of revolutionary. But the technology is still fairly crude -- limited to producing "low-resolution" shapes made out of plastic. What's next? There are a host of new tools coming down the pike that promise to radically improve both the form and function of objects you can print for use in any environment, from the kitchen to the hospital