pixelated curved gradient . comic dither undulate texture background. liquid squiggling form for banner, poster

pattern halftone bitmap pixel wave dither gradient abstract noise background element texture vector digital shape design geometric art techno grain grainy dot distort figure grunge digitalized bend curved undulate gradation duotone semitone bg bw squiggly squiggle wiggly manga anime booklet curve cartoon comic brutalist stranded intertwined woven cloud snow