A shape grammar formalism is elaborated for the Vienna Workshop (Wiener Werkstaette) designer Josef Hoffmann’s two designs. Early instances of abstract expressionism are traced in Hoffman’s works by investigating stylistic parallels through shape rules and computations. The analysis of Hoffmann’s two works are carried out in parallel to Terry Knight’s analysis of De Stijl artists Georges Vantongerloo and Fritz Glarner paintings with the normal form grammars.