2. The objective of this lesson is
• to visualise and use 2-D representations of
3-D objects; analyse 3-D shapes through
2-D projections, including plans and
elevations.
9.2.9
3. Shape shadows
This is a shadow of a solid shape.
What solid shape could it be a
shadow of?
Sphere, cylinder or cone
This is another shadow of the
same solid shape, but from a
different direction.
What is the solid shape?
Cylinder
9.2.9
4. Plans and elevations
What words do we use for the views of
solid objects from mutually perpendicular
directions?
Views from above are called plans.
Views from the side are called side
elevations.
Whether a view is referred to as a plan or
as a side elevation depends on the point
of view of the observer.
9.2.9
5. Plans and elevations
Sketch the plan,
side elevation and
Plan
front elevation of
the cuboid.
Side
elevation
Front elevation
9.2.9
6. Plans and elevations
Plan
Side
elevation
Front elevation
Take care to make the sides of the three
views look correct in relation to each
other.
9.2.9
7. Plans and elevations
Sketch the plan,
Plan
side elevation and
front elevation of Side
this triangular elevation
prism.
Front elevation
9.2.9
13. Plans and elevations
Sketch the plan, Plan
side elevation and
front elevation of
this L-shaped Side
block made from elevation
three cubes.
Front elevation
9.2.9
15. Plans and elevations
Sketch the plan,
side elevation and Plan
front elevation of
this ‘upside-down’
truncated cone. Side
elevation
Front elevation
9.2.9
