Techniques are very important in every aspect of drawing or designing. Normally, there are different ways that can be used to present different objects. Or, to present the objects from a different point of view. Generally, that is the reason why we have different perspectives and special ways of drawing them. The forms on the paper can have dimension. For that reason, we need to use the one perspective, two or three-point perspective, worm’s eye perspective or bird’s eye perspective. There are many tricks for each perspective.