The Mondrian painting that heads last week's installment It can be fitted into a 6x6 grid with little modification, as seen in the attached figure, sent by Salva Fuster. I am not aware that the idea of Mondrian's rectangle puzzle arose from contemplation of this specific painting, but it does not seem unlikely that it did; In any case, and as we Italians say, se non è vero è ben trovato.
