At the basis of Yantra operation is something called "shape energy" or "form energy". The idea is that every shape emits a very specific frequency and energy pattern. Examples of old believes in shape energy are the Yantras and mandalas of eastern philosophies, the star of David, the five pointed star (pentagon), the Christian cross, the pyramids and so on. Certain 'powers' are ascribed to the various shapes. Some have 'evil' or negative energies and some 'good' or positive energies, but in Yantra Yoga only the benefic and harmonious energies are used. When one focuses on a Yantra, his mind is atomatically "tuned in" by resonance into the specific form energy of that Yantra. The process of resonance is then maintained and amplified. The Yantra acts only as a "tune in" mechanism or a doorway.

The subtle energy does not come from the Yantra itself, but from the macrocosm. Basically Yantras are secret keys for establishing resonance with the benefic energies of the macrocosm. Very often the Yantras can put us in contact with extremely elevated energies and entities, being of invaluable help on the spiritual path. Yantras are poorly known in the Occident At this moment, there is little known about Yantras in the Western world. Many people consider them just pretty pictures and some artists claim to draw "Yantras" from their imagination. They are very far from the true meaning and use of Yantras. First of all, Yantras cannot simply be invented from imagination. Every specific mood and emotion has an associated form energy and shape. This unequivocally determines the form of the Yantra associated to that mood. The traditional Yantras were discovered through revelation, by clairvoyance, not invented. One needs to be a true spiritual master, a tantric guru, to be able to reveal a new Yantra to the world.