Unalome would be the sacred Yantra used greatly in Southeast Asian Buddhism Yantra (Sanskrit: यन्त्र, romanized: yantrá, lit. 'device, contraption'[one]) is actually a geometrical diagram, generally in the Tantric traditions on the Indian religions. Yantras are useful for the worship of deities in temples or at home; as an support in meditation; https://bomadirectory.com/listings1049417/the-5-second-trick-for-kadev