Texture, pattern with wavy, waving grid, mesh of lines. Billowy, zig-zag (criss-cross), undulating stripes, streaks. Abstract geometric background

Abstract wavy, waving, billowy and undulating lines. Squiggly, squiggle lines with twist effect. Oscillation, pulse warp effect. Curvy, squiggle, squiggle lines. Oscillation, pulse warp effect