What it used to be. As mo rocca will show us in our cover story. Reporter the world of the future was supposed to be gleaming, fast, full of possibility. I grew up expecting to live on the moon, to be able to travel in rockets. I was going to be an astronaut. Reporter it didnt exactly turn out that way. Where is my flying car . We were promised flying cars. Reporter ahead on sunday morning, yesterdays vision of tomorrow. Osgood start with a drawing in just two dimensions. Add the next dimension and what do you have . A futuristic form of printing that can quite literally change our lives. Serena altschul will show us how it works. Reporter 3d printing. Its a new way of manufacturing thats been used to make everything from toy tractors to electric cars. Now researchers are using 3d printing to engineer human tissue. The whole process of printing is completed within about 15 minutes or so. Reporter 15 minutes for an ear. 15 minutes for an ear. Reporter wow. From new treatments for cancer