1. AutoCAD Tutorial (introductory level)

2. 1. Working environment : Drawing area, Menus, Tools bars, Buttons. 2. Interaction: How to execute a command. 4. Drawing a shape: Commands & Tools (i.e. Ortho mode (F8), object snap (F3)) 5. Modifying a shape: Commands 6. Dimensioning: Commands 7. Plotting 3. Preparation: Format a layer and dimension style. Topics 1. Introduction 2. Create a drawing 3. Print a drawing

3. 1. Working environment

4. Start the program 1 2

5. Screen 6. Layer 7. Property 1. Standard 2. Draw 3. Modify 4. Object snap 5. Dimension Menu bar Status line Command line Drawing area

6. Customizing a Background Menu bar: 1. Click “Tool” >> “Options” Options: 2. Click “Display” 3. Click “Colors…” Drawing Window Colors: 4. Click “2D model space” 5. Click “Uniform background” 6. Click “Color” (select your prefer color.) 2 3 4 5 6

7. Commonly used toolbars 1.Standard 2.Draw 3.Modify 4.Object snap 5.Dimension 6.Layer 7.Properties Geometric construction

8. 1. Standard 1 1. File (New; Open; Save) 2. Plot 3. Undo (Redo button is placed on the right) 5. Zoom 2 3 5 With a mouse scroll wheel - Rolling forward to “Zoom in” - Rolling backward to “Zoom out” 4 4. Pan

9. 2. Draw 1 2 3 4 5 6 1. Line 2. Polyline 3. Polygon 4. Rectangle 5. Arc 6. Circle 7 8 7. Hatching 8. Multiline text

10. 3. Modify 1 1. Erase (same as clicking a “delete” button) 2. Copy selection 3. Mirror 4. Offset 5. Array 6. Move 7. Rotate 2 3 4 5 6 7 8 9 8. Trim 9. Extend 11 12 10 10. Break at point 11. Chamfer 12. Round

11. 4. Object snap 1 2 3 4 5 6 1. (Snap to) End point 2. Midpoint 3. Intersection 4. Center 5. Quadrant 6. Tangent 7 8 7. Perpendicular 8. Parallel

12. 5. Dimension 1. Linear 2. Aligned 3. Radius 4. Diameter 5. Angular 6. Center mark 1 23 4 5 6

13. 6. Layer 1 1. Click “Layer property manager” On/ Off Lock/ Unlock Layer name

14. 7. Properties Color Linetype Lineweight

15. Customizing a Toolbar 1. Right click on a toolbar area 2. Select “ACAD” 3. Click on a listed item to open (or close) toolbar. 2 3

16. 2. Interaction

17. Execute a command 1.Enter a “keyword or command” in a command line 2.Select from list in menu bar (or right click on the drawing area to open a short cut menu) 3.Click the button on a toolbar

18. Method 1 Key in a “keyword” in a command line. Executed command Option/ Properties Example : Draw a circle Follows a step-by-step option or guidance.

19. Method 2 Select a “keyword” from a list in menu bar. Example : Draw a circle Follows a step-by-step option or guidance in command line. 1 2 3 The current step that is displayed a command line is

20. Method 3 Click the button in a toolbar. Example : Draw a circle Follows a step-by-step option or guidance in command line. Click.

21. 3. Preparation

22. Format layer : Create a new layer Create the layers for visible line, thin line, hidden line, center line, dimension, hatching and text. 1. Menu bar: Click “Format” >> “Layer” 2. Click, Key in “Visible line” 3. Click, Key in “Thin line” 4. Click, Key in “Hidden line” 5. Click, Key in “Center line” 6. Click, Key in “Dimension” 7. Click, Key in “Hatching” 8. Click, Key in “Text” 9. Click “OK” Exercise

23. Format layer : Setting a linetype 1/2 1. Menu bar: Click “Format” >> “Linetype”. 2. Click “Load”, Select “CENTER” and Click “OK”. 3. Click “Load”, Select “DASHED” and Click “OK”. 4. Click “OK”. Exercise

24. Format layer : Setting a linetype 2/2 5. Open “Layer Properties manager”,Click “Linetype” of a layer “Center line”. 6. Click “CENTER”, click “OK”. 7. Click “Linetype” of a layer “Hidden line” 8. Click “DASHED”, click “OK”. 9. Click “OK”. Exercise 5 6 7 8

25. Format layer : Setting a lineweight Exercise 1. Open “Layer Properties manager”, Click “Lineweight” of a layer “Visible line” 2. Click “0.6 mm”, click “OK”. 3. Click “OK”.

26. Answer

27. Format dimension style 1/5 1. Menu bar: Click “Format” >> “Dimension style” 2. Click “Modify”. Exercise 2

28. 3. Click tab “Line” 4. Change “Dimension lines” and “Extension lines” to the following format. Format dimension style 2/5 Exercise 3

29. 5. Click tab “Symbols and Arrows” 6. Change “Arrowheads” to the following format. Format dimension style 3/5 Exercise 5

30. 7. Click tab “Text” 8. Change “Text style” and “Text color” to the following format. Format dimension style 4/5 Exercise 7 8

31. 9. Click tab “Primary Units” 10. Change “Precision” and “Decimal separator” to the following format. 11. Click “OK” Format dimension style 5/5 Exercise 9

32. 4. Drawing a shape

33. Notes Meaning of symbols in AutoCAD command line. [ ] is used for option ( )is used for explanation is used for default value Location of a point can be assigned by mouse click on the drawing area or on a specific point of an object. key in a cartesian coordinate. (two numbers separate by a comma, i.e. 50,27 ) key in a polar coordinate - distance (from a specified beginning point) and - angle (CCW from the horizontal axis) (i.e. @50<60)

34. Line Command: line Specify first point: 0,0 Specify next point or [Undo]: 50,50 Specify next point or [Undo]: press ESC Command: line Specify first point: 0,0 Specify next point or [Undo]: @50<45 Specify next point or [Undo]: press ESC 1 2 Sketch it Class activity Sketch it

35. Rectangle Command: rectangle Specify first corner point or [Chamfer/Elevation/Fillet/Thickness/Width]: 15,15 Specify other corner point or [Area/Dimensions/Rotation]: @100,60 1 Sketch it Class activity

36. Polygon Command: polygon Enter number of sides : 6 Specify center of polygon or [Edge]: 60,60 Enter an option [Inscribed in circle/ Circumscribed about circle] : c Specify radius of circle: 15 Sketch it 1 Command: polygon Enter number of sides : 6 Specify center of polygon or [Edge]: 60,60 Enter an option [Inscribed in circle/ Circumscribed about circle] : i Specify radius of circle: 15 Sketch it 2 Class activity

37. Circle Command: circle Specify center point for circle or [3P/2P/Ttr (tan tan radius)]: 50,50 Specify radius of circle or [Diameter] : 20 Command: circle Specify center point for circle or [3P/2P/Ttr (tan tan radius)]: 3p Specify first point on circle: 10,10 Specify second point on circle: 70,70 Specify third point on circle: 50,30 1 2 Command: circle Specify center point for circle or [3P/2P/Ttr (tan tan radius)]: Ttr Specify point on object for first tangent of circle: [  the 1 st line] Specify point on object for second tangent of circle:[  the 2 nd line] Specify radius of circle : 40 3 Sketch it Class activity

38. Arc Command: arc Specify start point of arc or [Center]: c Specify center point of arc: 50,50 Specify start point of arc: @30<0 Specify end point of arc or [Angle/chord Length]: a Specify included angle: 120 1 Command: arc Specify start point of arc or [Center]: c Specify center point of arc: 50,50 Specify start point of arc: @30<30 Specify end point of arc or [Angle/chord Length]: @50<120 2 Sketch it Class activity Sketch it

39. Hatch Command: hatch 1. Select pattern 2. Set angle and scale. 3. Click button “Add: Pick points” 4. Click inside the closed area. 5. Right click 6. Click “OK” Sketch it 1 2 2 3 6 Class activity

40. Ortho mode on/off off on - If ortho mode is set on, all lines are drawn only along the x-y directions. - Press [F8] to turn on or off object snap mode.

41. Object snap mode on/off Status bar off on Right click Press [F3] to turn on or off object snap mode.

42. 5. Modifying a shape

43. Move Command: move Select objects: 1 found Select objects: (If finished, click mouse right button) Specify base point or [Displacement] : click on a point B Specify second point or : @50,30 Specify second point or : 50,30 Specify second point or : @50<30 1 2 3 Class activity Sketch it A B A B A B

44. Copy selection Class activity Command: copy Select objects: 1 found Select objects: click mouse right button Specify base point or [Displacement] : click on a point B Specify second point or : @50,30 1 Sketch it A B

45. Mirror Command: mirror Select objects: Specify opposite corner: 4 found Select objects: (If finished, click mouse right button) Specify first point of mirror line: click on a point A Specify second point of mirror line: click on a point B Erase source objects? [Yes/No] : n 1 Sketch it Class activity A B object

46. Offset 1 Class activity Command: offset Specify offset distance or [Through/Erase/Layer] : 30 Select object to offset or [Exit/Undo] : click on the object Specify point on side to offset or [Exit/Multiple/Undo] : click on the drawing area Sketch it

47. Array 1 Class activity Command: array Array dialog box will appear. 1.Select type of an array Rectangular 2.Input rows, columns, row offset, column offset, angle of array. 3.Click button “Select object”. 4. Click on an object. 5. Right click. 6. Click button “OK” A B C D E Sketch it object

48. Array 2 Class activity Command: array Array dialog box will appear. 1.Select type of an array : Polar 2.Input A and B. 3.Click button “Select object”. 3.1 Click on an object. 3.2. Right click. 4. Click button “Center point” 4.1 Click on a center point. 4.2 Right click. 5. Select option “Rotate items as copied” or not 6. Click button “OK” A B Sketch it object

49. Rotate 1 Class activity Command: rotate Current positive angle in UCS: ANGDIR=counterclockwise ANGBASE=0 Select objects: 1 found Select objects: (If finished, click mouse right button) Specify base point: click on a point A Specify rotation angle or [Copy/Reference] : 30 A Sketch it A

50. Rotate 2 Class activity Command: rotate Current positive angle in UCS: ANGDIR=counterclockwise ANGBASE=0 Select objects: 1 found Select objects: (If finished, click mouse right button) Specify base point: click on a specific point on the object Specify rotation angle or [Copy/Reference] : r Specify the reference angle : click on point C Specify second point: click on point D Specify the new angle or [Points] : p Specify first point: click on a point A Specify second point: click on a point B A B C D Sketch it Given

51. Trim 1 Class activity Command: trim Current settings: Projection=UCS, Edge=None Select cutting edges... Select objects or : Click on line AB Select objects: (If finished, click mouse right button) Select object to trim or shift-select to extend or [Fence/Crossing/Project/Edge/eRase/Undo]: Select object to trim or shift-select to extend or [Fence/Crossing/Project/Edge/eRase/Undo]: (If finished, click mouse right button) A B Sketch it Given

52. Extend 1 Class activity Sketch it A B C D Command: extend Current settings: Projection=UCS, Edge=None Select boundary edges... Select objects or : Click on line CD Select objects: (If finished, click mouse right button) Select object to extend or shift-select to trim or [Fence/Crossing/Project/Edge/Undo]: Click on point A. Select object to extend or shift-select to trim or [Fence/Crossing/Project/Edge/Undo]: (If finished, click mouse right button) Sketch it A B C D E F

53. Break at point Class activity Sketch it

54. Chamfer 1 Class activity Command: chamfer (TRIM mode) Current chamfer Dist1 = 0.0000, Dist2 = 0.0000 Select first line or [Undo/Polyline/Distance/Angle/Trim/mEthod/Multiple]: d Specify first chamfer distance : 5 Specify second chamfer distance : 5 Select first line or [Undo/Polyline/Distance/ Angle/Trim/mEthod/Multiple]: click on line A Select second line or shift-select to apply corner: click on line B A B Sketch it

55. Fillet 1 Class activity Command: fillet Current settings: Mode = TRIM, Radius = 0.0000 Select first object or [Undo/Polyline/Radius/Trim/Multiple]: r Specify fillet radius : 5 Select first object or [Undo/Polyline/Radius/Trim/Multiple]: click on line A Select second object or shift-select to apply corner: click on line B A B Sketch it

56. 6. Dimensioning

57. Linear 1. Click on the button 2. Follows command line Specify first extension line origin or : Click on point A Specify second extension line origin: Click on point B Specify dimension line location or [Mtext/Text/Angle/Horizontal/Vertical/Rotated]: Move the crosshair to your prefer position then click. Sketch it A BA B

58. Aligned 1. Click on the button 2. Follows command line Specify first extension line origin or : Click on point A Specify second extension line origin: Click on point B Specify dimension line location or [Mtext/Text/Angle/Horizontal/Vertical/Rotated]: Move the crosshair to your prefer position then click. Sketch it A B

59. Angle 1. Click on the button 2. Follows command line Select arc, circle, line, or : Click on line AB Select second line: Click on point AC Specify dimension arc line location or [Mtext/Text/Angle]: Move the crosshair to your prefer position then click. Sketch it A B C

60. Radius 1. Click on the button 2. Follows command line Select arc or circle: Click on arc AB Specify dimension line location or [Mtext/Text/Angle]: Move the crosshair to your prefer position then click. Sketch it A B

61. Diameter 1. Click on the button 2. Follows command line Select arc or circle: Click on circle Specify dimension line location or [Mtext/Text/Angle]: Move the crosshair to your prefer position then click. Sketch it

62. Leader 1. Click on the button 2. Follows command line Specify first leader point, or [Settings] : click on center of a circle Specify next point: Click for a bend point Specify next point: Push F8 if “ortho mode” is off. Click for an end point. Specify text width : Right click (to skip) Enter first line of annotation text : Key in a text Enter next line of annotation text: Right click (to finish) 3. Move the arrowhead to a circumferential line. Sketch it

63. 7. Plotting

64. Overall steps 1. Create layout (or paper space) 2. Placement and scaling an object. 3. Edit a title block 4. Plot

65. 1. Create layout 1. Go to Menu bar, select Insert >> layout >> layout from template 2. Select “ISO A4 Named Plot Styles” and click “Open”. 3. Click “OK” to close insert layout window. 4. Click Tab “ISO A4 Title Block (portrait)”. 2 2 3 Exercise 4

66. Screen Printable frame (dash line) Viewport frame (continuous line) Template Object NOTES 1. To zoom and pan the object, double click on viewport area. (To activate a “floating model space”) 2. To return to a paper space double click on outside viewport area. Demonstration

67. 2. Placement and scaling 1/2 1. Activate a floating model space. 2. In command line, key in “zoom” [press ENTER], “extents” [press ENTER]. 3. Return to paper space. Exercise

68. 2. Placement and scaling 2/2 1. Go to menu bar, click Modify >> Properties 2. Click on viewport frame. 3. Go to properties window, select “viewport (1)” 4. Select an appropriate scale with “Standard scale” or “Custom scale”. 4 3 Exercise

69. 3. Edit a title block 1. Double click on a text in template area. 2. Fill up the attributes. 2 Exercise

70. 4. Plotting 1. Go to menu bar, click File >> plot 2. Complete the following plot dialogue box. Exercise