How to cut wax master out of silicone mold without damaging it?
I am planning to cast jewellery by generally sand casting with wax models, though I would like to make more permanent silicone mold backups if something happens to the original wax master. My plan would be to pour or press silicone onto the wax master and get it out after the silicone has set. The only easy way I know of doing this is to cut a line all around the silicone mold to retrieve the wax master. I know other people seem to do this. I can't see how you could do this though without accidentally scratching the wax master inside?