Two-Point Perspective
Introduction
Two-point perspective is when objects are located at an angle to the picture
plane but with vertical edges parallel to the picture plane
Two vanishing
points are required to project the remaining dimensions. Two-point
perspective is also called angular perspective because of the angular position
of the object in relation to the picture plane. Two-point perspective is the
most commonly used type of perspective in drawing and illustration.
Two-point or
angular
perspective
In two-point or angular perspective, an object is placed at an angle to the
picture plane but with one set of vertical edges parallel to the picture plane.
Place the object so that the angles created by the surface of the object to the
picture plane are unequal. For convenience in drawing, the angles you select
should equate to angles that a common 45° or 30/60/90° triangle or
combination of the two triangles can easily replicate. The vertical parallel
edge (height) appears in true length and does not require vanishing points.
You may make direct measurements from this parallel vertical edge. You
must use perspective to draw the remaining profile of the object. This will
require two vanishing points (width and depth). The station point is located
in front of and parallel to the picture plane. The object is at an angle to the
picture plane and vanishing points are usually located to the left and right of
the object. Visual rays projected from the station point to the vanishing point
intersect the object at piercing points to form perspective. If available, you
may use the plan and elevation of multiview drawings in the construction of
the perspective drawings.
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