Especially in comparison with the hind legs. You will probably notice a large head, a powerful tail, and very small front legs. Firstly, I tried to maintain the proportions of this particular type of dinosaur. To draw T-Rex in the simplified cartoon style you’re familiar with, I used several techniques. Alternative ways to learn how to draw a T-Rex.Basic information on how to draw a T-Rex.This is the short name for Tyrannosaurus Rex, one of the largest carnivorous dinosaurs ever. In this drawing guide I will show you how to draw a T-Rex.