Clay Handbuilding Techniques Pinch Coil Slab Paddle (Hollowing-out)

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Transcript of Clay Handbuilding Techniques Pinch Coil Slab Paddle (Hollowing-out)

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Clay Handbuilding Techniques Pinch Coil Slab Paddle (Hollowing-out) Slide 2 Basic Handbuilding Techniques Pinch- using the thumb and fingers to press a ball of clay into a hollow form Coil- using snakelike ropes of clay; generally for making rounded, organic forms Slab- a flat piece of clay created by rolling a roller over the clay or by pressing with hands; generally for making geometric forms Paddle- beating the surface of clay with a paddle. This could also be done with a solid piece of clay that is then hollowed out. Slide 3 Pinch Slide 4 Coil Slide 5 Coils can be left visible or smoothed out. Slide 6 Coils placed in a press mold (bowl) Slide 7 Slab Slide 8 Slab pots can have any number of sides. Slide 9 Paddle Marks or textures can be created, but do not have to be left visible. Slide 10 Clay Vocabulary The stages of clay: 1. Slip 2. Plastic 3. Leather-hard 4. Greenware or bone dry 5. Bisqueware 6. Glazeware Other terms: Clay Ceramic Reclaiming Wedging Kiln Firing Score Glaze Underglaze Slide 11 Decorative Techniques Underglaze A colored clay coating applied before glaze. Allows for precise, detailed designs. Glaze - A mixture of clay, glass materials, and water; a coating of colored, opaque, or transparent material applied to ceramics (essentially a glass coating); forms a protective moisture-proof coating if fired to maturation. Slide 12 Underglaze: colored clay, no glass. Will not run and will not stick to the kiln shelf. Good for precise detailed designs. A liquid glaze is applied over top. Slide 13 Glaze: has glass in it and colors can run or bleed together (some will run more than others). Must be removed from bottom of pot or it will melt and stick to kiln shelf.