They are machines straight out of ”Star Trek” or ”The Jetsons.”
It’s now possible for anyone with an idea to create tangible items — flowerpots, cell phone cases, jewelry, or nearly anything — from 3-D printers. All the person has to do is send a design for a product to a 3-D printer and out pops a real 3-D object.
Most 3-D printer owners are big businesses or tinkerers, because the machines are so expensive. But some innovators are using this technology to start new businesses and earn money.