Being around Yantra helps you to diminish the malicious effects created by these transitions like Rahu Yantra and Shani Yantra. The vibrations and generation of cosmic energies helps to spread positive energy and internal peace. The energies synchronise with your body and help you to cure your physical health issues. 

Yantras are used for the worship of deities in temples or at home; as an aid in meditation; used for the benefits given by their supposed occult powers based on Hindu astrology and tantric texts. They are also used for adornment of temple floors, due mainly to their aesthetic and symmetric qualities.