I made a material of Goryeo Celadon of the 12th century. Can change custom surface pattern and rustiness. Modeling : 'Happy Budda' from http://www.graphics.stanford.edu/data/3Dscanrep/
Apply to modeling
Plane
Pattern On
Rustiness 100%
Can change Custom Pattern :-)
Substance Designer node tree
Texturing with Substance Painter
References