Printing 3-D Conductive Materials With The Help Of Ionic Liquids

http://cen.acs.org/articles/92/web/2014/11/Printing-3-D-Conductive-Materials.html

... we define what spot varnish (aka UV coating) is, and how to specify to your printer where you'd like the glossy finish to show up while using Adobe Illustrator.

https://www.youtube.com/watch?v=Jsf1b4PzPCQ