According to our experience, the shrinkage of 1.3 is basically acceptable. The shrinkage depends largely on the sintering process. In addition, the knife needs polishing, and different polishing methods also require different margins. Considering the convenience of subsequent mold repair, it is suggested that 0. 1 be left aside without deformation. Of course, the thickness of the product can not be ignored, and the thick place may shrink more. The above is for reference