2. Draw the outline of the plaster nose with a straight line, as shown in the figure below:
3. Find out the bright side and dark side of the nose and color it from the light-dark boundary, as shown in the following figure:
4, and then further color, increase the transition gray surface, as shown in the figure below:
5. Depict the nose deeply and draw a gray block on the nose, as shown in the figure below:
6. Coordinate the relationship between light and shade of the picture, strengthen the dividing line between light and shade, and draw the plaster nose completely, as shown in the following figure: