Draw a large circle for the head
Add a smaller circle or oval for the body
Connect the head to the body with a curved neck line
Sketch two upright triangles for the ears (or floppy shapes if desired)
Draw a muzzle: an oval centered under the head
Add two small circles for the eyes above the muzzle
Draw a small nose at the top of the muzzle (usually a rounded triangle)
Add a curved mouth line extending from the sides of the muzzle
Place whisker lines extending from both sides of the muzzle
Add front legs as two pairs of slightly curved lines ending in paws
Add back legs as two thicker curved lines ending in paws
Sketch the tail as a curved line behind the body (curled or straight)
Add fur details with short, light strokes around the head and body
Refine the outline to smooth all shapes into a clean dog silhouette
Erase extra construction lines
Darken the final lines and add simple shading under the chin, legs, and belly
Add simple markings (spots, patches, or eyebrows) if desired