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Basic Ceramics2
Basic Ceramics2
Basic Ceramics2
Basic Ceramics2
Basic Ceramics2
Basic Ceramics2
Basic Ceramics2
Basic Ceramics2
Basic Ceramics2
Basic Ceramics2
Basic Ceramics2
Basic Ceramics2
Basic Ceramics2
Basic Ceramics2
Basic Ceramics2
Basic Ceramics2
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Basic Ceramics2


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Learn the basics of hard slab ceramic construction

Learn the basics of hard slab ceramic construction

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  • 1.
    • Introduction to basic handbuilt
    • slab clay techniques
    • Level: 4th to 8th grade
    • Various curricular integration
    • Social Studies: Native Americans
    • & Ancient Cultures
    • Science: Soil and Chemistry
    • Math: Angles, Degrees, & Geometry
    • Religion: Biblical References
    • Lesson Plan by Noreen Strehlow
    Basic Ceramics Pt.2 Hard Slab
  • 2.
    • Equipment needed:
    • Enough clay for each student to create at least one small project
    • If you absolutely have no money, use a homemade Salt/Flour/Water dough.
    • Clay tools for blending, assorted forks, knives, pin tools
    • Rolling Pin
    • Newspaper and cardboard for rolling, cutting and transporting slabs
    • Two yardsticks or similar wooden slats
    • Plastic sheeting to protect table tops
    • Covered air-tight containers for clay storage & Plastic bags with ties for storing pieces
    Omyacolor Plastiroc Air Dry Clay
  • 3.
    • Students will roll the clay with a rolling pin which has been
    • aligned with two yard sticks, slats or other items of the same width
  • 4.
    • You can “McGiver” a slab cutting area by scrounging around the house
    • This might not be “pretty” but it worked!
  • 5.
    • Students will learn to use a 30/60/90 triangle to cut perfect right angles
    • Students may tape a specific length on the triangle to measure equal sides
  • 6.
    • Students will learn that this simple method insures that the slab is a uniform thickness
    • Students will cut as many slabs as needed for the piece (an uncovered box needs 5 slabs)
    • Students may use a pattern to create an unusual edge for a slab box
  • 7.
    • Students will learn to bevel the edges of each piece at a 45 degree angle
    • Students will learn to score the edge with a small pointed tool so that the slip will adhere
    • Students will learn to apply slip liberally to each scored surface that needs joining
  • 8.
    • Students will learn put the two scored and slipped pieces together and smooth the slip
    • Students will learn to add a coil to the blended joined area
    • Students will learn to further blend the coil into the joined area for strength
  • 9.
    • Students will carefully score and slip each additional area to be joined
    • Students will continue to add and blend coils to the joined areas for strength
  • 10.
    • Students will have to cover their pieces in plastic if they do not finish in one class period
    • Students will blend and smooth all joined areas completely and let dry when finished
  • 11.
    • Students will learn that large clay projects usually require a special clay press
    • Students will learn that these slabs are usually trimmed to the largest rectangle possible
  • 12.
    • Teacher will demonstrate all techniques
    • Students will listen and watch carefully before beginning their project
  • 13.
    • Students will plan out their project on paper, making a pattern to follow
    • Students will cut out and bevel the edges of all pieces needed for the project
  • 14.
    • Students will continue to score all the beveled edges
    • making sure to score partway onto the flat surface also
    • Students will then be ready to slip and add coils for strength
  • 15.
    • Once the pot is completely assembled it can be airbrushed with terra sigillata
    • while it is leather hard
    • This is not recommended unless you are capable of cleaning the airbrush
    • thoroughly when applying the liquid as terra sigillata may clog the brush
  • 16.
    • This piece has white terra sigillata brushed on above the blue mountain line
    • The piece is now ready for bisque firing