a set of clouds hand-drawn outline, silhouette, graphic black and white , line drawing

illustration silhouette decorative decoration monochrome handdrawn isolated outline graphic drawing element cartoon pattern clouds design doodle sketch black white blank comic style line flat logo set cloud sky outline speech bubble silhouette white icon set illustration symbol abstract shape weather design nature sketch climate doodle art sign cloudscape speech cute season meteorology group art painted image pattern element empty simplicity contour drawing coloring collection overcast variation cartoon decoration cumulus graphic fluffy