Draw the outline of two big eyes on it, and then draw its eyebrows on it.
Then draw the outline of the pupil and highlight area in the orbit.
Then leave the highlights on the eyes blank and color the pupils with a black marker.
Finally, the whole cocoon is painted yellow, and the yellow three-dimensional shadow is deepened at the right edge position to draw the caterpillar cocoon.
Some insect larvae spin silk or secrete shells made of certain substances before becoming pupae. Such as: silkworm, tussah, castor silkworm; It is also the hard skin on people's hands and feet caused by friction such as labor and walking. Many insect larvae surround most of the silk skin of the body before pupating and pupate in it. Cocoon is the source of commercial silk.