Sri Chakra, is a complex sacred geometry used for meditation
The source of Sri yantra
From Aum, sri yantra is generated, In other words Sri Yantra is produced from Aum. Sri Chakra is a codified geometric form.
1. Sriyantra depicts the secrets of Creation, sustenance and dissolution in purely mathematical form of Bindu, Triangles, circles and inter sections and so on.
Two shapes of Sri yantra
1. Sri chakra
2. Meruprista