The fine Print

[Ink stained Fingers]

there is a challenge not to print larger formats with inkjet printers but as well smaller formats, the smallest one is apparently this one which fits onto the cross section of an hair, and prints in 24 bit color

https://www.kickstarter.com/projects/754265265/peek-the-professional-microscope-that-fits-in-your

http://www.spiegel.de/wissenschaft/...ntenstrahldrucker-neuer-rekord-a-1067925.html

https://www.ethz.ch/de/news-und-ver...weltrekord-kleinstes-gedrucktes-farbbild.html

http://www.nature.com/ncomms/journal/v3/n6/full/ncomms1891.html