The Shri Yantra symbolizes YOU and the COSMOS...
You can use it for Meditation and to charge your battery:)
Do you see the small point in the middle? its called "Bindu"...
for more information be welcome to the world wide web...
This Shri Yantra here is actually a 1,5m x 1,5m oil painting from Yoga Vidya Ashram Bad Meinberg.
om shanti