Draw a small oval for the head
Add a long rounded shape on top for the snout
Sketch two small oval eyes
Draw a tiny round nose at the end of the snout
Add a simple curved line for the mouth
Draw two long floppy ears hanging down
Sketch a small rounded body under the head
Add short front legs beneath the body
Draw two small back legs
Add a short tail at the back
Refine the outline to make Snoopy smooth and clean
Erase extra sketch lines
Add simple details like the collar if desired