In the next illustration you can see your point of view for double or 2 point perspective. We are looking at the edge of a box (height of the object only) with the vanishing points off to each side (the sides of the box) on the horizon line. In single or one point perspective you are looking at the flat side of the box or object whatever it may be. For our demonstrations we will be using the box. But you can think of it as a house, building, car or any other object that you want.
In figure 4 we can see that our VIEWING POINT is from above the object and that our vanishing points are off to each side of the box. Therefore we are tricking our eyes to see the drawing of the box as a three-dimensional object with some depth, rather than a drawing of a box that is flat. See figure 4a.
In figure 4a we can see that just by drawing equal sides of a box at an angle will not fool the eye into seeing the box as a three-dimensional object. This is how most of us drew our first boxes and how some of us are still doing it. That is why perspective is so important to the artist, illustrator or draftsperson.
However in the next figure you can see that there is a perceived mass to the piece. It can hold your imagination and create a yearning to look around the box or open it to see what is inside. How do we know where to place the vanishing points?
In this drawing I have added a drawing plane which represents your paper or drawing surface. The reason for putting the vanishing points outside of the drawing plane is that if we put them on the paper we could create an illustration that might look deformed or askew. Lets do the drawing again this time putting the vanishing points inside the picture plane.
Notice the difference between the two drawings. Now think of these boxes as buildings with sidewalks and trees. You can see that the bottom one (Figure 6a) that the angles are a bit extreme but still interesting and maybe desirable depending on the type of work you want to portray. You might want to make a more dramatic scene if this were a painting. However you might want to be more realistic for an architectural drawing. It just depends on you.
We will look into how to add windows or doors and other objects a little later in this lesson. However do all the drawings on this page first, Okay?
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