A method and system for building one or more three-dimensional objects, where the method includes providing a computer-aided design model of a three-dimensional object having an initial spatial orientation in a coordinate system, and determining an optimal spatial orientation of the computer-aided design...http://www.google.com.au/patents/US7403833?utm_source=gb-gplus-sharePatent US7403833 - Method for optimizing spatial orientations of computer-aided design models
