Feng Shui Bagua
This system can be used to remove blocks in your home, and also in your physical body.
This system is the basis of the I Ching.
This system is a large part of the legacy of the African Origin of Traditional Chinese Medicine.
This system is also used when casting HeruScopes© (13 Month Kemetic Solar Sidereal Astrology System).
Here are a few Baguas from around the web.