Is this a new industrial revolution?

Is this going to change everything we know about manufacturing, shopping, garage sales -- the whole economy?

3-D printing is a reality:
Need a whistle right away? Or maybe a Rubik’s cube? How about a new tiny plastic wheel for the dishwasher that you can't find at Home Depot? For a growing number of people, the solution is simply to go online, download a blueprint of the object they desire and