Unalome could be the sacred Yantra used extensively in Southeast Asian Buddhism Yantra (Sanskrit: यन्त्र, romanized: yantrá, lit. 'device, contraption'[one]) is a geometrical diagram, primarily in the Tantric traditions on the Indian religions. Yantras are used for the worship of deities in temples or at your house; as an support in meditation; https://directoryhand.com/listings13468420/the-ultimate-guide-to-sadhna