Unalome will be the sacred Yantra employed greatly in Southeast Asian Buddhism Yantra (Sanskrit: यन्त्र, romanized: yantrá, lit. 'device, contraption'[one]) is a geometrical diagram, generally through the Tantric traditions of the Indian religions. Yantras are useful for the worship of deities in temples or in your house; as an help in meditation; https://www.instagram.com/tantramantraaurvigyaan/