I discovered that high melting point silicone rubber could be bought locally to make flexible 2-part moulds for metal casting. The best that I've used was Dow Corning. Pouring channels were made to allow the molten metal to flow into the moulds.
These were used to produce my own range of toy figures. The picture shows a figure that was made more than 20 years ago and a later version. In both cases, I added sheet metal and wire to the figure to elevate it into a connoisseur piece.
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