Golden Ratio Composition Phone Cases - iPhone and Android

Description: A minimalist geometric composition featuring the golden ratio spiral and squares on a black background. Thin, light pink lines form concentric squares that enclose the spiral, creating a visually balanced and mathematical representation. The entire pattern is contained within a rectangular border.

Description: A monochrome portrait of a person's face superimposed with geometric lines representing the Golden Ratio. A triangular prism with light rays emanates from the right side. The entire composition is enclosed within a hexagonal outline. The style is sharp and linear.