Patent 7958841 was granted and assigned to Objet Geometries on June, 2011 by the United States Patent and Trademark Office.
An apparatus to help control the quality of printed three-dimensional objects is provided. The apparatus may include a printing head to print a three-dimensional object and a printing tray having defined surface characteristics serving to control adherence of the object being printed to the printing tray and/or prevent deformations in the printed object.