twirl, spiral, swirl circle set of 30. random radial, radiating circular lines. volutes, helix set . concentric rings

bend center centrifuge circle circular circulate circulation concentric contortion curve cycle cyclic cyclical deform distort eddy flex flow free gyre helix illustrat illustration kink lines loop orbit radial radiating random recur reverse revolve rings ripple roll rotary rotate royalty screw section set shake shift spin spiral stir swing swirl torque torsion turbulence tweak twine twirl twist twitch vector volute volutes vortex warp whirl whirligig whirlpool whorl