His own designs were radically different. Illustrations of interiors and furniture from past centuries can be seen in the Treasury of the TU Delft Library from 10 July to 6 September 2012. Four of the six original Rietveld chairs from the Faculty of
Architecture’s collection of chairs can be seen in the hall of the Library Learning Centre. Rietveld himself donated these chairs to TU Delft in 1964.