After the first silicon pour cured, I removed the foam core from the silicon mold and flipped it over. I then removed all of the white clay and saran wrap from the hard clay positive. I then tried to clean excess silicon and leftover white clay as best I could. Then I cut out 5 sides of a box from foam core and made a box around first silicon half and glued it together, making sure that the sides were as tight around the bottom half as possible (to prevent leaking of silicon to the sides). The inside of the box was thens sprayed with mold release. I then followed the same steps mentioned above to mix and pour the liquid silicon.
Once the second pour cured, the foam core was removed and the two halves were pulled apart. The Clay positive was pulled out and the two mold halves were cleaned up. A pour spout was then cut in the two halves and the mold was ready for the two part plastic resin to be poured.
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