From models of traditional furniture and geometric shapes to technical materials and wood connections to spatial resolution and aesthetic perception: the cabinets designed by Marcel Breuer at the Bauhaus cover almost all of the problems of furniture construction in the Weimar Republic. This article investigates Breuer’s cupboard furniture in relation to the history of the cupboard, the concept of type furniture and the relationship between the ›box furniture‹ at the Bauhaus, including the provenance of Breuers