1. Chapter 11 1.Correct Woodshop Map 2.Homework Check 3.Drafting (Workbook p. 177) 4.Projections (Workbook p. 181)

2. Workbook p. 177 Textbook p. 337

3. Definitions

4. Technical Drawings are used… …in technology to communicate information about an object or a system.

6. Basic lines used in drafting are… …lines whose appearance and meaning are determined by international agreements.

7. p. 338

8. Geometric lines are… Are figures that are composed according to the rules of geometry, the art of drafting lines and curves with a ruler and a compass.

9. A sketch… Is a freehand drawing that respects, as much as possible, the conventions of drafting.

11. Basic Lines

12. ExampleNameThicknessMeaning Visible LineThick Indicates the visible outlines of an object.

13. Hidden Line

14. ExampleNameThicknessMeaning - - - Hidden Line Broken Line Indicates the outlines that are not visible in the current view

15. Hidden Line

16. ExampleNameThicknessMeaning Construction line Fine Used in preliminary sketches.

17. Hidden Line

18. ExampleNameThicknessMeaning ____ _ ____ Centre line Small dash in centre. Indicates the centre of a circle.

19. Hidden Line

20. ExampleNameThicknessMeaning Cutting plane line Includes arrow heads at each end. Indicates the placement of an imaginary cut.

21. Hidden Line

22. ExampleNameThicknessMeaning Dimension line Includes arrow heads at each end. Indicates the length of an object. 2.75

23. Hidden Line

24. ExampleNameThicknessMeaning Extension line. Fine Indicates the boundaries of a measurement.

25. Hidden Line

26. ExampleNameThicknessMeaning ////// Hatching Slanted, Equally spaced. Indicates the surface where an imaginary cut has produced a sectional view.

27. Hidden Line

28. ExampleNameThicknessMeaning Leader line. Has an angle of 30, 45 or 60 degrees. Ties a dimension to a particular feature.

29. Hidden Line

30. Homework pp. 177-180

31. Creating Figures Using Geometric Lines Goal: To practice techniques for creating various types of geometric lines by constructing and reproducing figures

32. Order of Operations 1.Get a handout 2.Get drafting tools 3.Complete figure A together as a class 4.Complete figure B individually

33. Drafting Tools SHARP pencil Ruler Drafting Paper Square Protractor

34. Figure A Follow steps # 1-8

36. Step # 1

37. Step # 2

38. Step # 3

39. Step # 4

40. Step # 5

41. Step # 6

42. Step # 7

43. Step # 8

44. Figure B Reproduce 1:1