Just made the model and cottle boards. I had some questions regarding the next steps. 1. I used a 3D print combined with clay. If I want to make a mold I need to hover so I make the first half of the mold like this: Can I use a release agent so the clay won't stick to the hardend clay? 2. Can I use dish washer soap with water as a release agent for question 1? 3. Do I need to wait for the clay to cure (before I pour the plaster)? 4. He uses a wooden board for a