Two
point perspective is used in this illustration to draw our
box which has now been rotated at an angle to the picture
plane.
Two
point perspective uses two sets of orthogonal
lines and two vanishing
points to draw each object.
There
are no longer any planes parallel to the picture plane.
However the vertical transversal
lines are still drawn parallel to one another and at
right angles to the ground plane.
It
is at this stage that perspective drawing starts to become
more awkward because the second vanishing point is often
situated well outside the frame of the picture.
Click
here to view an illustration
that displays the position of the second vanishing point.
If
both vanishing points are situated within the picture frame,
the angles of objects appear to be extremely foreshortened.
In
the completed illustration, which you can see when you mouse
over the image, the front and back planes of our box have
been left unfilled to make the construction more visible. |