Engineering Graphics

1. PERSPECTIVE
VIEW
M. Sundra Pandian, M.E., M.B.A.
Asst. Professor, Department of Mechanical Engineering,
Sri Ramakrishna Institute of Technology,
Coimbatore - 64010

8. Draw the perspective view of a square pyramid of base 30 mm, side
and height of apex 45 mm rests on GP. The nearest edge of the base is parallel
to and 20 mm behind the picture plane. The station point is situated at a
distance of 70 mm in front of the PP and 40 mm to the right of the axis of the
pyramid and 60 mm above the ground.
• Understand and visualize the reference planes and
object placed on GP.
• Understand and draw the line of intersection of the
planes, object and observer in TV and FV.
• Draw the rays connecting object corners and SP in
TV and FV.
• Draw the visual rays connecting object corners
and SP in TV and FV.
• Mark piercing points of the visual rays in top view
and project and mark them to the corresponding
rays in front view.
• Join the points, draw the visible and hidden edges
to complete the perspective projection of the pyramid.

11. A rectangular block 30 × 20 × 15 mm is lying on the ground plane, on
one of its largest faces. A vertical edge is in the PP and the longer edge
containing that face makes an angle of 30° with the picture plane. The station
point is 50 mm in front of the picture plane, 30 mm above the ground plane
and lies in the central plane which passes through the center of the block.
Draw the perspective view of the block by vanishing point method.
• Draw TV of the block and rays
connecting object corners and SP.
• Draw a line passing through SP
and parallel to an inclined edge of
the solid to mark vanishing points.
• Draw the perspective of the edge
of the rectangular block which
touches the PP.
• Mark the piercing points of the
rays in TV and project them to FV
• Join visible and hidden edges to
complete perspective projection.

13. A rectangular block 30 × 20 × 15 mm is lying on the ground plane, on
one of its largest faces. A vertical edge is in the PP and the longer edge
containing that face makes an angle of 30° with the picture plane. The station
point is 50 mm in front of the picture plane, 30 mm above the ground plane
and lies in the central plane which passes through the center of the block.
Draw the perspective view of the block by vanishing point method.
• Draw the TV and rays connecting
object corners and SP.
• Draw a line passing through SP and
parallel to an inclined edge of the
cube to mark vanishing points.
• Draw perspective of an edge of
cube by using the line of true
height.
• Mark the piercing points of the rays
in TV and project them to FV
• Join visible and hidden edges to
complete perspective projection of
the cube.