- What is the most interesting thing you have seen done with a 3D printer or 3D printing technology?
Man printing a 3d concrete castle using a homemade printer - http://www.ibtimes.co.uk/man-3d-prin...vented-1459223

- If you could build your dream 3D printer, what would it include and what would it do? Let your imagination run wild!
Multiple heads each threaded with different color or material allowing for more complex prints in single run with a 3d scanner attached to take scan, manipulate, & print.