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Technical Drawing CHAPTER 2 By : Aznita Abdullah.

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Presentation on theme: "Technical Drawing CHAPTER 2 By : Aznita Abdullah."— Presentation transcript:

1 Technical Drawing CHAPTER 2 By : Aznita Abdullah

2 MODULE OBJECTIVE: 2.1 (i) By the end of this module the student will be able to: Identify and sketch the following projections: Isometric Drawing (Explain and practice oblique and isometric sketching 2.1)

3 Isometric Drawing In this method lines are drawn full size with axes at 30 degrees,-30degrees and 90 degrees, to represent X, Y and Z coordinates.

4 Draw box (Assessment task 2.1)

5 GRID PAPER

6 1. Start by drawing an arrow to represent the front corner of the box. 2. Draw a VERTICAL line at one side 3. Draw a second VERTICAL line at other side 4. Draw a parallel line to complete one side

7 5. Draw a parallel line to complete other side 6. Draw the back edge 7. Now complete the top surface 8. Rub out the ends of lines to finish the box

8 9. Remove the isometric grid paper

9 A cylinder (Assessment task 2.1)

10 GRID PAPER

11 WORKSHEET 3 (Cube with Holes & Pyramid)

12 https://mail.actvet.ac.ae/owa/redir.aspx?C=626f b41c6953c6 8f2ee1dfe9f&URL=http%3a%2f%2fstsdubai.pbworks.com%2fw%2ffil e%2ffetch%2f %2fGrade%252010%2520%25E2%2580%259 3%2520Technical%2520Drawing%2520-%2520Term%25202%2520- How%2520to%2520Draw%2520Isometric%2520drawing.pdf STEP BY STEP OF DRAWING ISOMETRIC

13 MODULE OBJECTIVE: 2.1 (ii) By the end of this module the student will be able to: Identify and sketch the following projections: Oblique Drawing

14 Oblique Projection

15

16

17 USING GRID PAPER

18 TO DRAW FRONT VIEW Construction line

19 TO DRAW FRONT VIEW Object line

20 TO DRAW SIDE VIEW Construction line

21 TO DRAW SIDE VIEW Object line

22 TO DRAW PLAN VIEW Construction line

23 TO DRAW PLAN VIEW Object line

24 ERASE CONSTRUCTION LINE

25 TO DRAW CIRCLE Construction line locating circle center

26 x x x x x x x x TO DRAW CIRCLE Marking for circle

27 x x x x x x x x TO DRAW CIRCLE Object line

28 TO DRAW BACK CIRCLE Construction line Locating center

29 TO DRAW BACK CIRCLE Construction line

30 x x x x x x x x TO DRAW BACK CIRCLE Circle object line

31 ERASE ALL CONSTRUCTION LINE

32 X X


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