The mandala is created based on your astrological natal chart. Then used to reveal archetypal energy that , as a soul, you have come into this existance to heal, or learn about.
Your personal Mandala is created by using your astrological chart and meditating and/or going on a shamanic journey to access the message that will empower you or answer the question at heart.
Mandala for meditation.
I journey to the mandala and ask your guides to reveal a design that is empowering for you. As you meditate on the design you guide communicate to you what is hedden is the mandala.