3-D printers step into mainstream
Shoppers at the Emeryville Home Depot pushing carts laden with lumber and lightbulbs did doubletakes as they passed a 3-D printer churning out little plastic doodads.
"This is amazing," said Luis Rojas, 11. "I want one. I'd make a lot of stuff. I wanna be an architect, so making little houses would be cool."
His dad, Enrique Rojas, a contractor, was similarly entranced. "I could print models of designs for kitchens and bathrooms," he said.
In a step toward making 3-D printers m...