Patent 7785093 was granted and assigned to 3D Systems on August, 2010 by the United States Patent and Trademark Office.
An improved stereolithography apparatus for forming three-dimensional objects using multiple chambered resin vats and a quick disconnect mounting system to permit concurrent use of multiple photopolymer build materials and easy change over of resin vats is disclosed. The apparatus permits easy change over from multiple chambered vat use to single chamber vat use and vice versa or change over between multiple chambered vats.