AMACO – Tech Sheet #20 – Hand Built Tea Bowls

Brent SR-20 Slab Roller.

by Daniel Gegen

Supplies:

Amaco® Low or high fire clay body and appropriate Amaco® glazes
Amaco® Textured Slab Mold of your choice, TM-1, TM-2, TM-3 or TM-4.
Brent® SR-20 Slab Roller (optional) or wood slats and rolling pin
Sand bag
Pony Roller
Clay cutting tool
Scoring tool
Paint brush
Sponge


Instructions:

1. Roll out 1/4″ thick slab of clay and cut out a 11″ x 4″ rectangle using a sharp clay cutting tool (save the remaining scraps of clay for later use in this project). Place rectangle onto textured slab framing your composition. Firmly tamp clay onto textured slab using a sandbag (this will help to impress all of the texture and keep the clay from moving when rolled with a pony roller).


2. Use a pony roller to firmly roll the clay onto the texture (using the small end of the roller bevels the narrow ends at about a 45 degree angle so that the seams will overlap easier). Carefully lift the clay slab off the textured slab mold.


3. Stand slab up into a cylinder shape and score the textured side of one end of slab. Score the opposite end on the smooth side of the slab (this will create an overlap of the seam).


4. Use slip or vinegar when joining the two ends to insure that the seam will stay together. Gently overlap the two ends to create an overlapping seam. Press the seam together taking care not to distort your pressed texture.


5. Divide the cylinder into four equal parts by laying two sticks on top of the cylinder. Using a sharp clay tool, cut out four triangle darts centered on the marks made by the wooden sticks (darts areabout 1″ wide and 3/4″ deep). The wider and deeper the darts, the more drastic the angle will be on the finished tea bowl.


6. Score the edges where you removed the darts and use slip to insure that the clay will stay together. Fold the flaps in until they touch creating the four corners and carefully press the clay together.


7. Roll out a clay slab to 1/4″ thickness. Turn the tea-bowl over, place on top of the slab, and trace around the bottom edge into the clay slab. Cut out the clay piece from the slab using sharp clay cutting tool.


8. Score and use slip or vinegar to attach the bottom slab to the tea bowl. Use a pony roller to roll the slab onto the tea bowl.


9. For the foot on the tea bowl, cut out a 3/4″ wide strip of clay and roll it out onto a contrasting texture using the pony roller. Cut length to match up with the shape and diameter of the slab bottom (approximately 4″). If this seems too large, cut to desired length. Score and use slip to attach the ends together.


10. Place foot onto tea bowl to insure a proper fit. Score and slip the foot and press into place.


11. Stand tea bowl upright and define the final shape of the rim (the rim could be round or square). Use a damp sponge to soften the top edge of the lip.


12. Bisque fire tea bowl to proper cone temperature depending on clay body used. Apply glaze to tea bowl and fire to appropriate temperature.

This technique sheet is one in a series of art plans using American Art Clay Co., Inc. products. If you have an idea for a lesson plan using Amaco products that you would like to share with other art educators, contact Jeffrey Sandoe, Key Accounts Manager; Director, AMACO/Brent Contemporary Clay Gallery at American Art Clay Co., Inc.


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