Centering the clay
The theory of centering is simple. A lump of malleable material (clay) is placed on a revolving surface (wheel head), forced into a symmetrical form by contact with a fixed object (the hands), and lubricated to reduce friction..........
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Hints for successful openings
* Opening is performed at the same wheel speed used for centering, and it also involves the tensing of opposing sets of muscles when pressure is applied. The pressure used to open the clay should be sure and even, and the downward movement should be direct, smooth, and relatively fast........
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Alternative centering methods
You can use different methods of centering when throwing large amounts of clay and/or wide-based forms. Because most hands will not cover the entire surface of large humps, more strength or leverage is needed to manage these forms. Consequently, the clay is manipulated from the bottom to the top of the hump - pressure is applied and your hands move slowly upward as the clay below is centered.......
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Guru Spotlight |
Jolyn Wells-Moran |