seigaiha literally means wave of the sea. seamless pattern abstract doodle lines scales simple nature background japanese circle

illusion modern monochrome vintage japanese abstract geometric decor black vector season design banner art concept summer japan decoration seasonal tender culture bridal symbol east traditional asia style card background exotic cartoon illustration china chinese print wave circular round circle seigaiha scale sea water asian retro tile wallpaper ornament outline backdrop curve striped simplicity scallop texture fabric nature doodle