3d Systems, Inc.

David E Snead

Dennis R Smalley

Adam L Cohen

Joseph W Allison

Thomas J Vorgitch

Thomas P Chen

A method of and apparatus for slicing a three-dimensional object representation into a plurality of layer representations is described, wherein the layer representations are subsequently used to form the object layer-by-layer according to the principles of stereolithography. If not already provided in the object representation, a plurality of layer boundary representations are first formed, and then the boolean difference of successive layer boundary representations are computed to derive boundaries of up and down-facing regions, enabling different cure parameters to be specified for these different regions.

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Canyon Country, CA, United States of America

David E Snead