Draw an oval for the body
Add a smaller oval for the head
Sketch a curved line for the tail section
Draw the tail fan with layered segments
Add two long antennae on top
Draw two eyes on short stalks
Add two large claws at the front
Sketch the first pair of walking legs
Add the remaining walking legs on both sides
Refine the body with shell segments
Add small joints to the legs and claws
Outline the lobster with clean, smooth lines
Erase extra sketch lines
Add simple shading or texture if desired