Mandalas and yantras thumb|right|Sri Yantra diagram with the Ten Mahavidyas. The triangles represent Shiva and Shakti; the snake represents Spanda and Kundalini.
Mandalas and yantras thumb|right|Sri Yantra diagram with the Ten Mahavidyas. The triangles represent Shiva and Shakti; the snake represents Spanda and Kundalini.