Triple spiral - Triskele

Triple spiral : Triskele Some of these symbols date back to 3000 BC and can still be seen today on stone carvings in Ireland. The triskele is an ancient celtic symbol related to the sun. Triple centered spirals were also used by the early Christian monks. The single spiral is the oldest of all and it has symbolized the concept of growth, expansion, and cosmic energy. This spiral pattern is used a lot in kolams and rangolis.

The shield knot is believed to a universal symbol of protection which originated thousands of years ago. This symbol is believed to be an ancient celtic symbol (celtic people were considered to be ancient people of Europe). It was used to ward off evil spirits. Celtic symbols were extensively used in jewelry and art and such patterns weren't derived from the nature. It is also thought to be the origin of the "Qabbalistic Cross" ritual. Some of the other names of this symbol are St.Hans cross and the Earth Square.