Neat. Add support for colors and one can recreate the diagrams found in Byrne&#x27;s edition of Elements: <a href="http:&#x2F;&#x2F;www.math.ubc.ca&#x2F;~cass&#x2F;Euclid&#x2F;byrne.html" rel="nofollow">http:&#x2F;&#x2F;www.math.ubc.ca&#x2F;~cass&#x2F;Euclid&#x2F;byrne.html</a>