First I made a pattern with one of the sections of rock that I made into a seem less pattern by making four pieces that interlocked.
step 2 of 5
This was the first shape I built. The two steps after this one, just showed the shape building as it progressed.
step 3 of 5
Looking more like a mandala.
step 4 of 5
Even more...
step 5 of 5
Finally to add a little more drama to the mandala I added some effects, using a gradient, then a lens flare, so the flare wasn't as obvious I dulled it and blended it into the gradient using a radial blur. Using a linear burn as a layer setting it added some drama to the piece.