Heard about 3-D printing?

One of the newest tech developments is 3-D printing, and it's very cool.  Oli has spoken about 3-D printers a couple of times, wondering when ALD can get one...  Toy manufacturers might be a bit nervous; soon parents - or their tech savvy kids - might be able to make their own toys.  See the YouTube videos below for a couple of examples of 3-D printers:

http://www.youtube.com/watch?v=WmDz7Q9_h6c

http://www.youtube.com/watch?v=HdzooQQDWGg