artist says: this is the closeup with some hints about how simple colors and lines can create surprising effects like the 3D level effect created when this image is tiled.

ai says: at tile scale the unit resolves into a single large octagonal medallion — a vivid electric blue outer band forms the enclosing ring, its inner edge scalloped into concave curves; within it eight deep navy shield-like panels radiate from a central four-pointed blue-gray star; thick lime-green lines trace every boundary, widening into bright nodes at the points where forms meet; the center negative space is a cool blue-gray four-pointed star with a tiny green diamond at its core; the effect is heraldic and precise — a coat of arms redrawn in the palette of a neon cityscape.