IRAN ART EXHIBITION: LITHOGRAPHY IS AN ENJOYABLE PROCESS Lithography is a planographic printmaking process in which a design is drawn onto a flat stone (or prepared metal plate, usually zinc or aluminum) and affixed by means of a chemical reaction. First, the design for the lithograph is drawn directly onto a polished slab of limestone […]
![](https://iranart.org/wp-content/uploads/2022/06/IJO.jpg)