Print me a jet engine

Where this will be in 10 years is anyone's guess. The attached is from The SF Chronicle from Sunday 12/23 shows what is being done now. A couple of years ago, it was an adjustable wrench for the ISS. What will come tomorrow?

http://www.sfgate.com/default/article/Guns-can-be-made-on-3-D-printers-4140804.php

This is only the beginning. Within 10 years a new form of energy will be developed which will make the need
for oil and oil products fall by 80%. Live long enough, you will see it.

Exciting stuff, and these kind of changes aren't easy to capture in, say, a country's GDP numbers. I suspect things might not be quite as far along as the article alludes, but clearly 3D printing object strength and resolution and, hence, usefulness, is growing by leaps and bounds.

Despite the constant litany of economic bad news there has been a quiet, ongoing revolution in design and manufacturing. I find it most welcome.