One and Two point perspective .
Starting with a new concept of Technical Drawing , which is Perspective .
Perspective is basically a sight or a state of vision which depicts from where you are standing and looking
It has to be used in a way to show objects and scenarios you are viewing
Starting from vanishing point , which is on eye level states the height of our eye sight / vision form the ground . Each and every line in dimension runs towards the vanishing point giving a depth throughout .
If you are viewing a plain 2D base or a wall you have to give a straight one point on eye level
If you are viewing a corner or an edge of an object then their are two points to be used on edges of paper or wherever required
Two point perspective
Smit Shah 