The Sri Chakra Yantra is the most respected geometric symbol of Sri Devi. It is the residence or the temple of Devi and is important in the Sri Vidya puja. Adi Shankaracharya describes Sri Yantra in Saundarya Lahiri (Verse 11):
O mother, the four triangles with the downward apex are called Srikantha, because they belong to Shiva. The five triangles, starting from the central point belong to Shakti. The nine triangles together are called Shivayuvati. By interlacing these nine triangles, forty-three triangles are created, the main point, housing the Bindu (central point) is itself the forty-fourth triangle. Surrounding all of these triangles are two circles: the first is an eight petalled lotus, and the second is a sixteen petalled lotus. Three concentric circles surround these lotuses. A triple lined square with four gates called bhupura, encloses the whole diagram.
In the Sri Vidya Upasana, external meditation is on the Sri Chakra Yantra and internal meditation is on the mental form the Devi. This puja leads to the identification with the Divine Mother within oneself.
In Saundarya Lahiri (v 42 & 74) the form of Tripura Sundari is described as follows:
Sri Devi is in the form of the female. She has three lines on her throat. She sings beautifully. She wears red garments and a necklace of pearls. She looks in the eightfold direction at her devotees. Her complexion is red. She has besmeared her forehead with saffron paste. She wears a garland of red flowers. She holds the flower arrows, a bow of sugarcane, noose and a goad in her hands.
The Brahma Purana says:
Those who worship the Supreme Shakti, whether regularly or irregularly, are not entangled in samskara. There is no doubt they are liberated souls.
Aim Hrim Klim
Picture by HST108 – Own work, Public Domain