Byrne's Euclid Oliver Byrne's 1847 edition of Euclid's *Elements* used color-coded diagrams and symbols to teach geometry, a method reproduced in a modern interactive website by Nicholas Rougeux. The site includes digital versions of the diagrams, cross-references, and printable posters and puzzles based on Byrne's original illustrations. It also provides background information on the design and typography of Byrne's celebrated work. Byrne’s Euclid The First Six Books of The Elements of Euclid With Coloured Diagrams and Symbols A reproduction of Oliver Byrne’s celebrated work from 1847 plus interactive diagrams, cross references, and posters designed by Nicholas Rougeux The First Six Books of The Elements of Euclid With Coloured Diagrams and Symbols A reproduction of Oliver Byrne’s celebrated work from 1847 plus interactive diagrams, cross references, and posters designed by Nicholas Rougeux Learn about Byrne’s original publication and how this site was made including design, typography, and more. Decorate your walls with a colorful detailed poster of every geometric illustration from Oliver Byrne’s colorful 1847 edition of Euclid’s Elements. Challenge yourself or someone else to assemble a puzzle of every geometric illustration.