Never read the book, but Escher is one of my favorite artists. So any number of his fish and birds immediately come to mind: https://www.escherinhetpaleis.nl/en

Never read the book, but Escher is one of my favorite artists. So any number of his fish and birds immediately come to mind: https://www.escherinhetpaleis.nl/en/about-escher/escher-today/experimenting-fishes-birds https://www.escherinhetpaleis.nl/en/about-escher/escher-toda...