How to Prepare Colored Slips for Slip Trailing, Plus Lots of Slip Trailing Tips! This clip was excerpted from Layered Surfaces with Erin Furimsky, which is available in the Ceramic Arts Daily Bookstore!
Order online and get free shipping! (Free shipping applies to U.S. orders only) To learn more about Erin Furimsky or to see more images of her work, please visit www.erinfurimsky.com. For more ways to add dimensionality to your work, download your free copy of Ceramic Carving Tool Techniques: Bringing the Ceramic Surface to Life! An Easy Way to Transfer Imagery to Pottery. Setting Up Manipulate the clay while it is still soft and pliable.
If making tiles, trim it to size (figure 5). Tip: Place the straight edge over your image as you cut, so if your hand slips, you won’t cut into your image. Place a thin sheet of plastic over the slab and rub the edges gently with your finger to produce a consistent rolled edge without marring the image (figure 6). If you prefer to allow the slab to dry slightly, place it on a piece of drywall and cover with plastic (figure 7).
Finishing You can easily carve the surface at the leather-hard stage. The sgraffito tool works well for detail work. Applying Color I prefer to apply commercial underglazes after bisque firing because at this stage, the image is essentially a contour drawing similar to a coloring book. You can fire the tile between each application of color, or in this case, I applied three colors at one time before firing. Instructions and tutorials on many clay subjects. Hi Joan, good question and we'll add this answer to our tutorial for others to read.
In your case, PVA is probably a better choice mainly because you leave the repaired surface untreated or untouched. The bonding principal of PVA is that it soaks into porous materials such as old ceramic, bones, wood, etc. For best adherence strength and longevity, use the proper PVA viscosity (V15 or V25 for porous ceramic). The benefits of PVA (Polyvinyl Acetate) are: 1) Will not yellow and has good stability to light (UV) 2) The gluing job can be reversible meaning, the glue will remain soluble and can be easily removed from a repaired subject later and be ready for re-gluing. How to Make Large Clay Slab Construction Project Without Cracking or Warping?
The slab project below is a sample of our commission work requiring large slab construction using cone 6 high firing stoneware to insure durability and longevity.
The "high firing" challenge is to eliminate or minimize warping and cracking that typically occurs due to stoneware clay's high shrinkage rate (12% +). We took the opportunity to illustrate how to work effectively with large flat forms without cracking while minimizing warping. Large square-shaped slab construction can be frustrating. The key elements to success are: clay type (high grog content), how soft / hard the slab is in each stage of construction, slab is not too thin, use of miter cutting (45 degrees), using coil to round all slab connection points, use of magic water instead of slip, avoiding clay bending throughout the process, proper drying and firing schedule and kiln programing.
Throwing a Basic Pot on The Potter's Wheel Tutorial. Paper Clay, Magic Water, Magic Mud recipe, slip - Lakeside Pottery Ceramic school and Art Studio in Stamford Connecticut. When to use Magic Water?
Magic water is used when the bond between two pieces of clay is a suspect for cracking during drying or bisque firing. Cracks can occur in the following conditions: When one piece of clay dries faster than the other which typically occurs when it has a smaller mass or thinner than the other piece (e.g., a mug handle). Potters Council Question of the Week.
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Critical Ceramics. How to cut glass. I posted a picture about 1 week ago on Instagram, Facebook and Twitter of me cutting glass using just string.
Wheel Throwing Video: Centering, Throwing and Trimming Tips From an Expert Potter. This clip was excerpted from Beginning to Throw on the Potter’s Wheel with Robin Hopper, which is available in the Ceramic Arts Daily Bookstore!
More Throwing Tips! If you have taken the usual precautions after throwing and still have trouble with the bottoms of pots cracking, place the wedged clay on the wheel so the roll or spiral of the wedge is lying on its side, not on end. To ensure this alignment, pat the clay into a cone immediately after wedging. (If you use a pug mill and do not wedge your clay, place the pug on its side rather than on end.)