Tool with a rolling cylinder, usually made of plastic soft enough to deposit a film of ink onto a metal or collage plate. Many other materials are used including rubber. In etching, it is used in varnish and grounds, in lithography, it is used to strengthen ink on the stone before etching. In screen printing, a trough for coating light-sensitive emulsion onto the screen. In a lithographic press, a bar that applies pressure through the tympan sheet and paper to the inked plate or stone.
Ink is forced through openings in the mesh, which can be blocked by a variety of methods.
In lithography, compressed pumice used to clean areas of a stone. In etching, acid-resistant coating containing petroleum jelly or tallow to prevent it from hardening when dry, so that textures can be impressed into it. In screen printing, a colorless substance used to extend ink, increase its translucency and improve its consistency. In a multiple block image, the slight overlap between colors that prevents white lines from appearing on the print. CUts gouge marks, and indentations do not print and show as white.