swirl or spin icon. fan, propeller or pinwheel toy sign. flow, vortex, vertigo or tornado on white

swirl spin icon pinwheel fan propeller twist circle circular speed whirlpool twirl windmill motion dizzy effect element cycle silhouette tornado curl vertigo curve splash vector vortex psychedelic mill graphic shape round wind radial hypnotic symbol helix storm hypnosis design shuriken rotation wheel air blower cooler ventilation ventilator isolated