Apple is a glowing, mysterious box in the world of tech and, whenever they file a patent application, people take notice. This is true for that time they filed a patent application liquid metal 3D printing and it was true when they filed an application for 3D printing conductive inks onto 3D objects. And, now that the computer giant has filed one for a full-color 3D printer, the world is abuzz once again.
The application, published on December 3, 2015, is titled “Method And Apparatus For Three Dimensional Printing Of Colored Objects,” and, in it, a mechanism is described that relies on two printhaeds, one that deposits a printable material and another that colors that material either after its printed or during the printing process. …
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