Exercises 86–88 use applets that require a computer with a web browser equipped with Java and Flash plug-ins. These plug-ins are available at links from the website csdt.rpi.edu/.

Question 19.116

86. The website csdt.rpi.edu/African/MANG_DESIGN/culture/mang_homepage.html offers information about a fractal-patterned ivory hatpin from the Mangbetu culture in Africa. The site includes a tutorial on producing similar designs using reflection, rotation, translation, and scaling. Work your way through the tutorial and then create a Mangbetu-style artifact.