Patent ID: 9688022
Date: 2017-06-27
CPC Classifications: B01F,B29C,B33Y

Claim:
1. A method for forming a three-dimensional object, comprising: (a) providing at least two material cartridges that are in fluid communication with a mixer that is in fluid communication with a nozzle of a print head, wherein each material cartridge contains a building material; (b) using building materials from said at least two material cartridges to generate a first mixture in said mixer; (c) extruding said first mixture from said mixer through said nozzle towards a support to form a first layer of said first mixture adjacent to said support, wherein said first layer is part of said three-dimensional object; (d) using building materials from said at least two material cartridges to generate a second mixture in said mixer; and (e) extruding said second mixture from said mixer through said nozzle towards said support to form a second layer of said second mixture as part of said three-dimensional object, wherein at least a portion of said second layer is adjacent to at least a portion of said first layer, wherein said print head is moveable with respect to said support, and wherein said at least two material cartridges are fixed with respect to said support.