Unalome is the sacred Yantra applied broadly in Southeast Asian Buddhism Yantra (Sanskrit: यन्त्र, romanized: yantrá, lit. 'machine, contraption'[one]) is actually a geometrical diagram, mainly from the Tantric traditions of the Indian religions. Yantras are useful for the worship of deities in temples or in your house; being an help in meditation; https://directoryio.com/listings1626952/considerations-to-know-about-sadhna