Unalome is definitely the sacred Yantra employed commonly in Southeast Asian Buddhism Yantra (Sanskrit: यन्त्र, romanized: yantrá, lit. 'device, contraption'[one]) is actually a geometrical diagram, mainly through the Tantric traditions of the Indian religions. Yantras are employed for the worship of deities in temples or at home; as an help in meditation; https://www.youtube.com/@Mahavidyabaglamukhi