If necessary, piece 2 can be made smaller by pulling off a piece from the cut surface towards the hairs. You attach piece 2 to the chin, in the opposite direction to that of piece 1: the point points downwards in the direction of piece 1.
You attach pieces 3 and 4 close up on the left and right sides of pieces 1 and 2, the points pointing out in the same direction, namely forwards.
Take the nose out of the box. Place it on the skin to get an impression of whether the edges are a goof fit and where it is soon going to be glued on.
