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Re: [teacherartexchange] ceramics question


From: MWhite (mwhite139_at_TeacherArtExchange)
Date: Thu Dec 06 2007 - 18:10:44 PST


It's really, really hard to give up on a ceramic piece you've worked
hard on, but I'm afraid that's what this student will have to do. In my
experience, it's just a lot easier to have the student begin again early
on than try to continually fix it. Flat pieces are prone to cracking as
they dry, especially if they're fairly large--think of a lake bed as it
dries. It could be the bottom was too thin, or the clay body just not
suitable for thin flat pieces. Sometimes students just stress the clay
too much by patting or stretching it (how was it carried from the slab
roller to the platter?). I hope someone else chimes in with a
miraculous solution, because I would tell the poor girl to begin again.
I feel her pain!


Ellen Burnside wrote:

> My HS ceramics class recently did a project based on Bernard Palissy's rustic platters. The students rolled out slabs of clay and then laid them in platters (picked up from the thrift store) to give them form. One student did a beautiful ocean scene on her platter. She used red clay for the actual platter and then added pieces cut out of white clay on top. The problem is, as the platter dried, the red clay started to crack. I originally told her to mend it with some soft clay. The platter cracked again. The next time we mended it with a vinegar slip. The platter continued to crack. The red clay we have does tend to be a bit more difficult to work with in general. Is there any way to save the platter at this point? Right now it's in a leatherhard state. Any advice on this matter would be greatly appreciated.

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