Original Art Graphite/Casein Drawing, measuring: 30W x 23H x 0D cm, by: Paul Lorenz (United States). Styles: Minimalism, Conceptual, Modern, Abstract, Fine Art. Subject: Abstract. Keywords: Graphite, Clouds, Casein, Cityscape, Duralar, Geomatric, Linear, Gray, Red, Architecture, Organic, White. This Graphite/Casein Drawing is one of a kind and once sold will no longer be available to purchase. Buy art at Saatchi Art.