abstract spiral . twirl, swirl, whorl .

abstract background bine centrifuge circular coil concentric curved curvy decoration decorative design distortion eddy element free geometric graphic gyration gyre helix hypnotic illustration inward isolated line logarithmic monochrome pattern revolve rotating rotation round royalty shape simple snail snaky spiral spirally spire swirl swoosh tendril torsion tweak twirl twist vector volute vortex whirl whirlpool whorl