Sad Face

This is another one that's not terribly difficult or particularly artistically inspired, but it looks fantastic as a gun sticker.

Layer 1: Thin oval, light yellow (highlight)
Layer 2/3: Circle, white (eye dots)
Layer 4/5: Circle, black (eyes)
Layer 6: Drop, black
Layer 7: Thin Oval, yellow (trims layer 8)
Layer 8: Beret, black, flipped (forms the mouth)
Layer 9: Circle, black (fills in the gap in the beret)
Layer 10: Circle, yellow (main face)
Layer 11: Circle, dark yellow (slightly larger than layer 10; makes the face shadow)