The portrait of Ben

Begin with basic geometric shapes to establish the dog's head proportions and angle

Lightly sketch the overall outline and major features like ears, snout, and eye placement

Define the eye socket, nose, and mouth with careful attention to anatomical structure

Build up middle tones using consistent pencil pressure and cross-hatching

Add darker values in shadow areas under the jaw, ear interiors, and around the eye

Refine details in the eye, nose texture, and ear definition

Blend and soften transitions between light and shadow areas

Add final touches and darkest accents to complete the three-dimensional form