6. The purpose of indicating shades and shadow
• Visualize the third dimension of the objects
• Identify the deference between surfaces levels
• Give to the objects represented an effect of
reality which help in understanding the
drawings.
• Help in architectural presentation to give an
advantage for the architectural design.
7. Shade
Shadow
The dark area in which
sunlight or other bright light
is blocked .
The dark shape that appears
on a surface when an object
blocks sunlight or other light