The Celts were very creative in the markings that they left behind in their art, architecture, writings and was very much a part of their spiritual, communicative culture. Their designs are world renown and are closely related to that of mandala and the Pennsulvania Dutch Hex signs that are use to ward off evil. All the items have different aspects of maleability such as adding borders, changing background colors as well as image repositioning or changing their size. They can very well be even more personalized by adding text such as quotes, haiku, poetry, names, or centering a photograph in the center of the images. The variations are numerous.