The present invention relates to a method for rapid fabrication of molds and mold components. This method involves first the step of producing a digital CAD representation of the mold; using this digital representation to make a set of oversized core and cavity three dimensional models, patterns or replicas,...http://www.google.de/patents/US5976457?utm_source=gb-gplus-sharePatent US5976457 - Method for fabrication of molds and mold components
