Patent 10232443 was granted and assigned to Desktop Metal on March, 2019 by the United States Patent and Trademark Office.
A printer fabricates an object from a computerized model using a fused filament fabrication process. The shape of an extrusion nozzle may be varied during extrusion to control, e.g., an amount of build material deposited, a shape of extrudate exiting the nozzle, a feature resolution, and the like.