3-D printers: A look at the machines

The Solidoodle is hardly the only 3-D printer attracting attention from those looking to play with the latest technology. More than a dozen printers are trying to capture slices of the market, though some of the devices require assembly or lack the kind of hand-holding tech support that the typical American consumer has come to expect. But make no mistake, 3-D printing is spreading. Here’s a quick look at a few of the machines spurring that kind of excitement: