Re-learning some of the little I once knew, as obvious from my question: I see a 'flat egg' on running that code. What *should* I see? https://www.dropbox.com/scl/fi/d5lcjwbyt4wccb971q4oj/FlatEgg.jpg?rlkey=b9dgb4m0wm49hs0o5hpth9f64&raw=1 Terry, UK