The repair billet in Dehua traditional porcelain making process is also called Li billet.
The so-called "three points pull blank, seven points repair blank".
To be semi-dry after the excess mud will be trimmed off, the process is to adjust the rough to the desired shape, size, thickness.
Grasp the contour lines of the body, weight feel, considering the shrinkage deformation after glazing and burning, need to take into account the amount of mud in different parts of the profile, experienced masters can often take these factors into account.