The sculptor Günther Rost is attempting to develop a new material conceptuality. His use of painted zinc sheets produces a system of notation through the minimal intervention of the dot. Applying dots in frugal rows, he suddenly disrupts his quiet application with a gash in the paint or a bump in the metal sheet. The zinc sheets have precisely creased edges that create a four-inch gap between the piece and the wall. They jut out, hovering between two- and three-dimensionality, between a neatly outlined rectangle and a triangular cast shadow. Rost paints dots, commas, lines, and other signs,