shree yantra is the most dynamic yantra. it is also known as king of all the yantras and is considered to be the abode of all the gods & goddesses. it is a very efficient device for contemplation, concentration & meditation. shree yantra is regarded as the dwelling place of goddess "tripursundari" and the structure of this yantra is enigmatically narrated in the "saundarya-lahiri" composed by adiguru shankaracharya. this yantra is devoted to the tripursundari form of goddess mahalakshmi who is the bestower of wealth being the consort of lord vishnu. this yantra is also known as shree chakra. the word shree yantra is conjunction of two words "shree" defines wealth and "yantra" defines instrument, therefore we can call it - "the instrument for wealth".