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Have you guys ever seen a 3D printer in action?? I think it is one of the coolest things ever! I had the opportunity of playing with some 3D printer creations (pictures 3,4,5) at a lab in my university and I was so amazed! They feel like plastic toys!
The first Picture is from: http://techbeat.com/2012/11/3d-printing-coming-to-staples/
The second Picture is from: http://libraries.dal.ca/locations_services/services/3d_printing.html
And the last three Pictures are my own! (Lipstick is for size comparison).