Step #1
Start the tutorial by making ovals & Draw outline fortail.
Step #2
Draw outline for arms, hands, legs & feet.
Step #3
Make head of the diplodocus.
Step #4
Make eye.
Step #5
Make right arm & right.
Step #6
Make body & tail.
Step #7
Make left arm & left leg.
Step #8
Draw lines as shown.
Step #9
Finally, make necessary improvements to finish.