Accessories are a necessary part of every outfit, but the easiest way to vamp up a look doesn’t involve necklaces, bracelets, bags, or rings — all you need is a cute phone case and you’re good to go.

There are already 3D printers sold on Amazon for thousands of dollars. In a few years they will cost hundreds of dollars. This could also be a fix to the "you're holding it wrong" problems that some ...