WOOD

MATERIALS TECHNOLOGY
4th Edition
Chapter 4
Drawing
Pencils
 Different types of pencil are
used for drawing lighter and
darker lines
 Drawings are usually done
with a 2H pe...
Drawings
 Drawings give enough
information to allow an
object to be made
 Drawings include
measurements
 Sketches are a...
Scales
 Scales reduce or enlarge the
measurements evenly, so that the
proportions of the object stay the same
 Full size...
Orthographic projection
 A 2D presentation of a
3D object
 Shows all the views of an
object
 Each view is related to
th...
Orthographic views
Sections
 Show a cut view of a
piece or object
 Used when detail needs
to be shown clearly
− The section through the
can...
Pictorial drawing
Oblique drawing
 Lines are drawn back at 45° from the elevation
 Draw pieces separately and build up the drawing
Isometric axis
 Constructing an isometric axis
Isometric drawing
Examples of isometric drawing
Circles in isometric
Dimensions
Dimensions worksheet 7

Insert these dimensions on the
drawing supplied
Dimensions worksheet 7
Insert these dimensions
on the drawing supplied
Dimensions worksheet 8

Elevation

End view

Insert these dimensions on the
drawing supplied

Plan
Dimensions worksheet 8
Insert these dimensions on the drawing
supplied
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04 drawing

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04 drawing

  1. 1. WOOD MATERIALS TECHNOLOGY 4th Edition
  2. 2. Chapter 4 Drawing
  3. 3. Pencils  Different types of pencil are used for drawing lighter and darker lines  Drawings are usually done with a 2H pencil
  4. 4. Drawings  Drawings give enough information to allow an object to be made  Drawings include measurements  Sketches are also used to give information on a drawing sheet
  5. 5. Scales  Scales reduce or enlarge the measurements evenly, so that the proportions of the object stay the same  Full size measurements are written on the drawing  The scale is also written as a ratio on the drawing
  6. 6. Orthographic projection  A 2D presentation of a 3D object  Shows all the views of an object  Each view is related to the others  Elevations, plans and end views are included in orthographic drawings
  7. 7. Orthographic views
  8. 8. Sections  Show a cut view of a piece or object  Used when detail needs to be shown clearly − The section through the candle holder shows clearly how the pieces are joined
  9. 9. Pictorial drawing
  10. 10. Oblique drawing  Lines are drawn back at 45° from the elevation  Draw pieces separately and build up the drawing
  11. 11. Isometric axis  Constructing an isometric axis
  12. 12. Isometric drawing
  13. 13. Examples of isometric drawing
  14. 14. Circles in isometric
  15. 15. Dimensions
  16. 16. Dimensions worksheet 7 Insert these dimensions on the drawing supplied
  17. 17. Dimensions worksheet 7 Insert these dimensions on the drawing supplied
  18. 18. Dimensions worksheet 8 Elevation End view Insert these dimensions on the drawing supplied Plan
  19. 19. Dimensions worksheet 8 Insert these dimensions on the drawing supplied

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