Molding of a male head

Here are pictures which show the different steps in molding a male head with a flexible silicone surface. This method should avoid seams very well. The first thin layer is made of brown silicone, the second layer is gray and about 1 or 2 mm thick.

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This picture is showing the head with separating agent which makes it glancing
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This picture is showing the first thin layer of brown silicone
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This pictures (3+4)are showing the 1-2 mm thick layer of grey silicone
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To get the silicone off the mold, it has to be cut from the top of the head till the bottom of the backside of the neck. This seam is is the only one that will occur. To minimise this seam, I incorporated a zipper. The zipper can be opened and then the cut will take place at this line. Hopefully, the zipper will make it very easy to join the silicon borders togethter and reducing the seam to a minimum.
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These picturs are showing the nipples on top of the surface. The spike will be cut in the next step.
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Here you can see the cut nippels.
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This is the mould after the separation form the mannequin's head.
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Making of the outer plaster to sustain the flexible silicone mould.
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After filling the interior with plaster, the outer plaster was removed.
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The final plaster head. The right picture (21) is showing the small seam at the backside of the head.