Draw a large oval for the body
Add a smaller circle for the head
Sketch a long curved tail extending from the body
Draw a thick neck connecting the head and body
Add two short arms with small claws
Draw two strong legs with large feet
Add a jaw line with sharp teeth
Sketch the eye and nostril on the head
Refine the body shape into a T. rex silhouette
Add curves and muscle lines to the legs and tail
Outline the entire dinosaur with a dark line
Erase extra sketch lines
Add scales, wrinkles, or texture details
Shade the drawing if desired