I’ve been reading the new book about the work of Wilkinson Eyre, which has made me realise that not only are they responsible, which I knew, for the design of Arts Two at Queen Mary, which houses the history department, with its ceramic façade designed by Jacqui Poncelet, but also for the colourful polyhedral façade of the School of Mathematical Sciences.   The screenprinted tiling is based on the ideas of Roger Penrose, a visiting professor, about repeatable and non-repeatable pattern:-