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Sculpture I

Sculpture I. Modeling Portraits in Clay. Grog/ Wedging Clay.

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Sculpture I

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  1. Sculpture I Modeling Portraits in Clay

  2. Grog/ Wedging Clay • Grog- Clay that has been fired and then ground into granules of more or less fineness. Grog is considered a filler, and added to clay bodies for several reasons; it helps open a tight or dense body, promotes even drying, which reduces warping and cracking, and reduces overall shrinkage. Grog also adds tooth and texture to a clay body aiding in the ability of the body to maintain its form during construction. • Wedging- To kneed or mix plastic clay by hand.

  3. Stages of Clay • Slip- A fluid suspension of clay with and water, with a “cream” like consistency. Most often colored with oxides and painted or poured onto pots for decoration. • Plastic- The properties of a material that allow it to be shaped and to retain its shape. The plastic properties of clay are principally determined by the size of the platelets. The smaller the platelets the more plastic the clay is.

  4. Leather-Hard- A stage in the drying process of clay when the clay is pliable but strong enough to handle. It is ideal for trimmingand the addition of appendages such as handles and spouts. Relatively wet clay can be attached to the pot at this stage and the resulting bond will not form cracks. • Greenware- Unfired pottery. • Bisqueware- The first firing a pot.

  5. Supplies Needed for Moisture Control • Water • Plastic Bag

  6. Step by Step: • Make small sketches before building. Know shapes of the head, hair, shoulders, etc. • Form armature with newspaper ball on tennis ball. Make sure the whole tennis ball is covered. • Add clay in small patches to the armature, build up until you have a cylinda

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