|Monthly Tech-Tip |
These are not cracks. They do not go through to the inside. During forming the clay was folded over itself rather than compressed against the mold.
Jiggering is a process of forming pottery that employs a spinning plaster mold and a tapered template to press soft clay or porcelain against it.
Laminations because of improper pugging of a clay body will cause separations and drying cracks in the ware.