6 Sided Hexagrams
The hexagram is a six-pointed geometric star figure. This symbol is often used for religious and cultural purposes. The Jewish Star or Star of David, a recognized symbol of Judaism and Jewish identity, is a hexagram. Six pointed stars also appear in Hindu, Buddhist, and Jain culture cosmological diagrams.
This ancient building stone recovered from a Jewish synagogue displays the Seal of Solomon with interwoven triangles. The stone dates anywhere from 200 to 400 A.D
The Visit wikipedia.org hexagram (geometry) for more detailed information about the hexagram shape.