MojoKid writes "3D printing is a fascinating new technology and an exploding new market. The process involved is pretty basic actually. Heat up some plastic, and sort of like that Play-Doh Fun Factory you were so fond of as a kid, you extrude the melted plastic out to create objects. It all started back in 2007 when the first RepRap machine was built. The idea behind RepRap was to design a machine that could build complex parts in three dimensions using extruded molten plastic and that machine could also "self-replicate" or build a copy of itself. Since then, 3D printers of all types have emerged from the community and this round-up of machines covers a few of the more prominent names in 3D printing systems. The Cube 3D, the Up! Mini and the Solidoodle 2 can all get you into 3D printing at retail consumer price points with precision down to 100 microns. The technology has very much come of age and it's going to be interesting to see where these machines can take us."
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