Here’s the finished RTV silicone mould of Em’s foot. I used a silver aluminium powder to line the mould. When I poured the liquid urethane into the moulds and slip casted it, it automatically bonded to the powder and made it a permanent part of the surface.
![First Urethane Casting Em's foot being cast in urethane and fine aluminium powder](http://www.notaboutnormal.com/blog/wp-content/uploads/2009/07/Casting-1_In-Mould_Ready-to-Demould_B_small.jpg)
Em's foot being cast in urethane and fine aluminium powder
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