Fully Functional 3D Printed Jet Engine - This is cool

I REALLY, REALLY need a 3D printer! Ok so it doesn't burn Jet-A but it looks like it produces some decent thrust with a hobby motor (and thrust reverser too!). Hard to imagine the time involved but this guy did a great job and just watching the video answered my longstanding question of how thrust reversers actually work. Loved the part where he mounts it on wheels. Enjoy!

http://digg.com/video/3d-printed-jet-engine