This great mandala is like the DNA of Kundalini energy. It has come to represent the universal principle of Shakti, the dynamic creative pulse that energises the cosmos.
If you get a great Zen monk to chant the syllable OM correctly, a Tonograph will record this pattern!
It is called Sri Chakra, or Sri Yantra. In India there are huge temples built as 3D extrusions of the interlocking triangles. It is also used as a mandala for meditation to access the experience of the universal female principle, Shakti.