Rapid prototype component production at Porsche by Ronald Simmonds on 02/199608/2020 in Vacuumcasting Time is Money How Weissach engineers save 90 percent in costs and 95 percent in time. Original published in: Christopherus Porsche Magazin 2/96 Loading... Previous article Prototyping vacuum casting resin gets tough Next article HEK makes inroads with vacuum casting