Shri Vidya - Wikipedia
In the principally Shakta theology of Śrī Vidyā "the goddess is supreme, transcending the cosmos which is yet a manifestation of her."[a] She is worshiped in the form of a mystical diagram (Sanskrit: yantra), a central focus and ritual object composed of nine intersecting triangles, called the Shri Yantra or Śrī Cakra .