LESSON
 PERSPECTIVE NINE  SHADOWS 2
TIME:
Allow 40 min
Aim:
To learn how to plot shadows
on differing surfaces. Here we shall plot and draw the shadow of a ladder
leaning against a wall.
Materials:
The sketch pad,
HB pencil, ruler.
To
Begin revise: Method of
introducing light source and estimating its ground position. Ask which way the shadow should be directed, forward or back.
Construct
margin and title box on a new page then:
b)
Construct the simple corner of a room using a CVP.
c)
This 'oblique' line will represent one runner of the ladder. Call it 'ab'
d)
'cd' is parallel to 'ab'. Construct as shown with lines to VP.
e)
Add the ladder 'rungs' and firm them in.
f)
Establish the light source  drop to floor and construct shadow lines as demonstrated above.
g)
This diagram shows the method of constructing a shadow cast by one of the 'rungs.'
h)
Shade in the shadow 'freehand' as shown.
i)
Complete the shadow and add other appropiate details
Home
study :
Experiment, add other objects
... a bucket on the floor and its shadow.
GO
TO ... LESSON TEN
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