black wiggly outline frame with corrugated edges on white.

rectangular corrugated silhouette collection framework geometric curvature isolated undulate squiggle squiggly template serrated outline scallop rippled wriggly sticker element contour cartoon billowy wiggly simple border frills circle ethnic wiggle ripple linear jagged figure doodle corner black frame edges white round cloud shape curvy curve comic blank wave line thin flex wavy form edge zig zag set