Notice what it is to relax mind into state of total disembodiment. That is, allow the familliar reality to fall apart. The visual world fragments, first into a few large pieces as binocular fusion is broken, then into a few smaller fragments, and eventually, into many separate fragments of consciousness. This state differs from normal consensual reality. Most amazing is the total absence of the body from its normal place at the center of focus. As the world fragments, the body does too, disconnected pieces of the body seeming to exist independently in separate spaces, as if in different universes, like reflections from different shards of a shattered mirror.And as the visual world totally fragments, all evidence of body vanishes. This is like a disembodied spirit, pure raw experience, just sensations of color, form, sound, light. It dawns its possible to snap back together again to a "normal" consciousness at will.
The geometric regularity of it all stands out. There is a powerful tendency for everything to reduce to ornamental patterns, geometrical arrangements of 3-D and multidimensional shapes, with rich periodic, symmetrical patterns in deep vibrant colors. The deeper one engages with sacred geometry, the simpler and more evocative the patterns are. As the body identity totally vanishes, these patterns are no longer external, but they are. I am the spatial patterns which create my experience. The recurrent symmetry in the mind's eye is somehow primal to experience. It is akin to an energetic grid, the origin of the holographic universe.