In ancient Mesoamerica, the quatrefoil is frequently portrayed on Olmec and Mayan monuments, such as at La Blanca, Guatemala where it dates to approximately 850 BC. The quatrefoil depicts the opening of the cosmic central axis at the crossroads of the four cardinal directions, representing the passageway between the celestial and the underworld.[6] Wikipedia
This is the transformation with added circles from simple swastika through to the 137 swastika and then at Master builders grid. The centers of the circles are at each 90 degree corner of every angle.
We see how it starts as a thin quatrefoil standing as a cross and how it evolves to the standing quatrefoil which is very common in the symbology of christianity as well as many other parts of the world.
Ride the Tide 