Grayscale Circular Geometric Background 130539412

Tags: round circle abstract pattern black wave gray abstraction swirl center monochrome rings spiral contrast geometric cycle ripple radiation radial rotation spin circular irregular rotating psychedelic twirl concentric whirlpool rotary grayscale whirlwind circulation vortex abstractionism emissions hypnotic hypnotize whirl hypnosis radiating expanding gyre greyscale epicenter centric epicentre