A 3D printer is potentially a hell of a lot easier to use than a home lathe, mill or drill press — you download a design, and hit print. Next thing you know, yo

A 3D printer is potentially a hell of a lot easier to use than a home lathe, mill or drill press — you download a design, and hit print. Next thing you know, you've printed out all the pieces of a chair for your living room, which you assemble using the pegs and screw you also printed out (think Ikea). This isn't too far-fetched.