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Spray metal tooling is made in a similar fashion to aluminum-filled epoxy tooling. In this case, an epoxy or low melting
temperature metal alloy tool is prepared by casting this material against an RP-generated pattern. A thin metal coating is then
arc-sprayed on the resultant mold's working surface to give it greater strength. Tool life is about the same as for
aluminum-filled epoxy, but the method can accommodate larger parts.

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