Rob wants to know what's a good beginner 3D printer. Leo says that 3D printers are a hobbyist's delight, but they have to be kind of geeky. 3D printers are in the early days of technology, and they require a lot of attention and calibration. And Rob will have as many failures as successes. They are also expensive for a really good one. They are also not very fast, usually taking a few hours to a few days to get a print don
But Monoprice has one for around $200. That's a good place to start.