zig-zag, criss-cross, wavy, waving and serrated, jagged lines, stripes . corrugated strips, streaks ,

abstract amplitude asymmetric background bent camber chevron chink contortion corrugated crimp crisscross crooked curve devious distortion edgy flex flicker geometric geometry indentation irregular jag jagged jaggy knurl lacerate line mill notch oscillation parallel pattern pitch scallop scrape serrated sharp shift stripe structure texture vector waving wavy wriggle zigzag