"So, why should you buy a 3D printer? Because they are like home computers in the 1990s: they are the future. Eventually, they will be everywhere, and those who use and understand them earlier will be at an advantage. That’s why they are showing up in schools, colleges and homes all over the country. That’s not to say that they are always easy to use; we selected printers that are known for simplicity and reliability, but even then, 3D printing is a finicky process that requires a healthy dose of patience and persistence to get the best results. Any of these printers can serve as a gateway into the fascinating world of 3D printing..."