A few nice photo printers images I found:
3D printed objects
Image by nicwn
3D games on an iPad
Image by nicwn
This was apparently a concept developed by some Japanese researcher, but wasn't patented or put to commercial use. (According to the guy presenting this.)
CMYK
Image by It's So Sunny!
February 20, 2013 - Sitting on a bookshelf for more than a year, the original intent was to recycle these empty ink cartridges...
