'keksdose 870' aquamarin reklame The optical color mixer by

The optical color mixer by Ludwig Hirschfeld-Mack from 1924 demonstrates how colors blend through rapid spinning

exhibition architect

The tools have been produced unchanged since 1974

In the first years still shaped by the expressive-calligraphic visual language of Johannes Itten

This book is made in collaboration with the Bauhaus-Archiv/Museum für Gestaltung in Berlin

'keksdose 870' aquamarin reklame The optical color mixer byThe cookie tin by Hedwig Bollhagen from 1977 has become a classic. A very simple cubic shape yet not so easy to manufacture with the mushroom shaped knob. It has been available for decades, in a variety of solid color designs and also with one of Hedwig Bollhagen's Ritz patterns. The cookie tin is still produced today in the Hedwig Bollhagen workshops in Marwitz near Berlin.