The present invention provides a method and apparatus for the automated reproduction of three dimensional objects of complex and unique geometry. A computer acquires data describing an object and its surroundings, constructs a computer-based three dimensional model of the object from that data, superimposes...http://www.google.com.au/patents/US5184306?utm_source=gb-gplus-sharePatent US5184306 - Automated high-precision fabrication of objects of complex and unique geometry
