I have been using silicone molds for resin with clay. Press molds was fine but then I bought molds to make jars. I tried slip casting. It's been two days and they haven't dried much. Researched making plaster molds from silicone molds. Then today I thought of using clay and making bisqueware. The problem I'm having is the silicone is too soft to use for clay. I would need to make a jar and then use that to make the mold. How am I doing so far? Right now, either I'll need to wait till the slip casting dries or cut the silicone molds in half and use soft clay. Any suggestions?