round halftone black and white vortex

pop dot dotted dots art halftone semitone undertone undertint half-light retro vintage old-fashioned frumpy antiquated outmoded hunker stuffy obsolete outdated musty black white round circle vortex swirl whirlwind whirl eddy curl vortical turbulent whirligig vorticose spring spiral helix scroll loop volute spire helical winding corkscrew anfractuous rotation turning spin revolution roll twirl curl tendril whorl plume