This section contains examples for 17 wallpaper symmetry patterns. [br][br]Some applets may run very slowly. The GeoGebra files can be downloaded with this link:[br][br][url]https://www.dropbox.com/sh/ym2b8h3a1s75uxy/AAAxSZfYmOCwAES0ZP_RCXyla[/url][br][br]More information about these patterns can be found on the web, such as [br][br][url]http://en.wikipedia.org/wiki/Wallpaper_group[/url]