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Once the design has been finalised, I make a solid model of the object which is then used to make a plaster mould. A two piece mould like the one shown opposite can normally be made in a day, but it will then take three to four weeks to dry.
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When the mould has dried it can be used for slip casting. Porcelain slip is poured into the mould and left for anything from thirty seconds to ten minutes depending on the size of the piece.
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After the set time the slip is poured out of the mould and the mould left to drain.
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The mould is left for anything between two and 24 hours before being opened.
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The tops of the pieces are trimmed and then left to dry for about a day.
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After the pieces have dried the seams are removed, the surface wiped with a damp sponge and left to dry again for a couple of hours.
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The surface of the piece is burnished using the back of the spoon and then left to dry completely before being fired. All pieces are fired twice with glaze being added to some pieces before the second firing.
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