Modeling a Basic Door Lock

Houses use doors to keep some of their areas safe. As a matter of fact, houses use various types of doors. To apply these safety measures, doors use locks. Doors in turn use various types of locks. For example, external and internal doors may use different types of locks. Normally, locks used on external doors use keys. In this exercise, we will model a simple door lock.

Practical LearningPractical Learning: Modeling a Basic Door Lock

  1. Start Blender
  2. Click the default cube to select it (it should be selected already)
  3. On your keyboard, press Delete to remove that cube
  4. On the top menu, click View -> Viewpoint -> Front
  5. On the top menu bar, click Add -> Mesh -> Cone
  6. In the bottom-left section of the 3D Viewport, click Add Cube to expand its window
  7. In the Add Cube window, change the following characteristics: 
    Radius 2: 0.75
Depth:    0.5
Align:    View

    Modeling a Simple Door Lock

  8. In the Object section of the Properties window, click Cone to select the name
  9. Type Door-Lock-Round as the name and press Enter
  10. To edit the cone, on the top-main menu of Blender, click Modeling
  11. Click and drag the Rotate button to see the large back face of the cone

    Modeling a Simple Door Lock

  12. On the top menu, click the Face button Face
  13. Click the large vertical face to select it

    Modeling a Simple Door Lock

  14. Press E to extrude and press Enter
  15. In the bottom-left section of the 3D Viewport, click Extrude Region and Move to expand its window
  16. In the Extrude Region and Move window, change the Z value to 0.45: 
    Move Z: 0.45

    Modeling a Simple Door Lock

  17. Position the mouse on an empty area of the 3D Viewport window. Press E to extrude and press Enter
  18. In the Extrude Region and Move window, change the Z value to 0.1: 
    Move Z: 0.1

    Modeling a Simple Door Lock

  19. Position the mouse in the 3D Viewport. Press S to resize the face. Pull the mouse slightly and click
  20. In the Resize window, change the X and the Z values to 0.95 each: 
    Scale: X: 0.95
       Z: 0.95
  21. Position the mouse in the 3D Viewport. Press E to extrude, then press S to resize, then press Enter
  22. In the Extrude Region and Move window, change the X and the Z values to 0.5: 
    Scale: X: 0.5
       Y: 0.5
       Z: 0.5

    Modeling a Simple Door Lock

  23. Rotate the cone to see the front face (you can use the middle button of the mouse)
  24. Click the front vertical face to select it

    Modeling a Simple Door Lock

  25. Press E to extrude and press Enter
  26. In the Extrude Region and Move window, change the Z value to 0.025: 
    Move Z: 0.025

    Modeling a Simple Door Lock

  27. Position the mouse in the 3D Viewport. Press S to resize. Slightly move the mouse and click
  28. In the Resize window, change the X and the Z values to 0.95 each: 
    Scale: X: 0.95
       Z: 0.95

    Modeling a Simple Door Lock

  29. While the face is still selected, position the mouse in the 3D Viewport. Press E to extrude, then press S to resize, then press Enter
  30. In the Extrude Region and Move window, change the X and the Z values to 0.875: 
    Scale: X: 0.875
       Z: 0.875

    Modeling a Simple Door Lock

  31. While the face is still selected, position the mouse in the 3D Viewport. Press E to extrude, then press S to resize, then press Enter
  32. In the Extrude Region and Move window, change the X and the Z values to 0.95: 
    Scale X: 0.95
       Z: 0.95

    Modeling a Simple Door Lock

  33. While the face is still selected, position the mouse on the 3D Viewport window. Press E to extrude, then press S to resize, then press Enter
  34. In the Extrude Region and Move window, change the X and the Z values to 0.95 each: 
    Scale: X: 0.985
       Z: 0.985

    Modeling a Simple Door Lock

  35. While the face is still selected, position the mouse on an empty area of the 3D Viewport window. Press E to extrude, then press S to resize, then press Enter
  36. In the Extrude Region and Move window, change the X and the Z values to 0.95 each: 
    Scale: X: 0.985
       Z: 0.985

    Modeling a Simple Door Lock

  37. While the face is still selected, position the mouse on an empty area of the 3D Viewport window. Press E to extrude, then press S to resize, then press Enter
  38. In the Extrude Region and Move window, change the X and the Z values to 0.95 each: 
    Scale: X: 0.95
       Z: 0.95

    Modeling a Simple Door Lock

  39. On the top tool menu, click the Edge button Edge
  40. Press and hold Alt
  41. On the shape in the 3D Viewport, click one of the edges of the 5th circle from the external circle
  42. Release Alt

    Modeling a Simple Door Lock

  43. Press G slightly and click
  44. In the Move window, change the values as follows: 
    Move: X: 0
      Y: 0.25
      Z: 0

    Modeling a Simple Door Lock

  45. Press and hold Alt
  46. Click one of the edges of the 4th circle from the external circle
  47. Release Alt

    Modeling a Simple Door Lock

  48. Press Ctrl + B and press Enter
  49. In the Bevel window, change the following values: 
    Width:    0.0125
Segments: 2

    Modeling a Simple Door Lock

  50. While the Edge option is still selected, press and hold Alt
  51. Click one of the edges outside the inner circle
  52. Release Alt

    Modeling a Simple Door Lock

  53. Position the mouse in the 3D Viewport window. Press Ctrl + B and press Enter
  54. In the Bevel window, change the following values: 
    Width:    0.0125
Segments: 2

    Modeling a Simple Door Lock

  55. On the top bar, click the Face button Face
  56. Click the large central face to select it
  57. Press E to extrude
  58. Then press S to resize, then press Enter
  59. In the Extrude Region and Move window, change the X and Y values as follows: 
    Scale X: 0.65
      Z: 0.65

    Modeling a Simple Door Lock

  60. Position the mouse in the 3D Viewport window. Press G to move the face
  61. Move the mouse slightly and click
  62. In the Move window, change the following values: 
    Move X: 0
          Y: 0
          Z: -0.105

    Modeling a Simple Door Lock

  63. While the face is still selected, press E to extrude
  64. Then press S, then press Enter
  65. In the Extrude Region and Move window, change the following values: 
    Move X: 0.975
     Z: 0.975
  66. While the face is still selected, press E to extrude
  67. Tthen press S, then press Enter
  68. In the Extrude Region and Move window, change the following values: 
    Move X: 0.975
     Z: 0.975
  69. While the face is still selected, press E to extrude
  70. Then press S, then press Enter
  71. In the Extrude Region and Move window, change the following values: 
    Move X: 0.205
     Z: 0.85

    Modeling a Simple Door Lock

  72. On the top tool menu, click the Edge button Edge
  73. Press and hold Alt
  74. Click one of the edges of the circle between the three circles that were just drawn
  75. Release Alt

    Modeling a Simple Door Lock

  76. Press G slightly and click
  77. In the Move window, change the values as follows: 
    Move: X: 0
       Y: 0.025
       Z: 0

    Modeling a Simple Door Lock

  78. On the top toolbar, click the Face button Face
  79. Click the large oval face on the lock to select it

    Modeling a Simple Door Lock

  80. Press E to extrude and press Enter
  81. In the Extrude Region and Move window, change the following values: 
    Move X:  0
     Y:  0
     Z: -0.75

    Modeling a Simple Door Lock

  82. Position the mouse close to the oval hole. Press Ctrl + R to create a cut and click once
  83. Move the cut as close as possible to the oval hole. Then click to confirm the cut

    Modeling a Simple Door Lock

  84. Position the mouse on the interior of the oval hole. Press Ctrl + R to create a cut inside the oval hole and click once
  85. Move the cut as close as possible to the outside of the oval hole. Then click to confirm the cut

    Modeling a Simple Door Lock

  86. On the main menu of Blender, click Layout

    Modeling a Simple Door Lock

  87. To save the lock, on the main menu, click File -> Save
  88. Set the document name Door-Lock-Simple-1
  89. Click Save
  90. While the lock is still selected, in the Properties window, click the Modifiers button Modifiers
  91. Still in the Properties window, click Add Modifier -> Generate -> Subdivision Surface
  92. In the Properties window, set the Levels Viewport to 2: 
    Levels Viewport: 2
  93. Right-click the lock and click Shade Smooth:

    Modeling a Simple Door Lock

  94. To save, on the main menu, click File -> Save As...
  95. Set the document name Door-Lock-Simple-2
  96. Click Save As

Creating a Varying Lock

Door locks come in various designs. In this section, we will modify the design from the previous section.

Practical LearningPractical Learning: Creating a Varying Lock

  1. On the main menu, click File -> Open Recent -> Door-Lock-Simple-1
  2. Make sure the object is selected in the 3D Viewport.
    In the Object section of the Properties window, click Cone.001 to select the name
  3. Type Door-Lock-Cylindrical as the name and press Enter
  4. While the lock is still selected (if not, click it to select it), on the main menu of Blender, click Modeling
  5. On the top menu bar, click View -> Viewpoint -> Top
  6. Position the mouse on the lock in the large upper part. Press Ctrl + R to create a loop cut
  7. Click once to create the cut
  8. Move the mouse (and line cut) close to the middle line and click

    Modeling a Simple Door Lock

  9. Position the mouse on the lock in the large lower part. Press Ctrl + R to create a loop cut
  10. Click once to create the cut
  11. Move the mouse (and line cut) close to the middle line and click

    Modeling a Simple Door Lock

  12. Press S to resize. Move the mouse slightly and click
  13. In the Resize window, change the following values: 
    Scale X: 0.825
      Z: 0.825

    Modeling a Simple Door Lock

  14. While the loop cut is still selected, press Ctrl + B and press Enter
  15. In the Bevel window, change the following values: 
    Width:    0.0125
Segments: 2
  16. On the top tool menu, click the Edge button Edge
  17. Press and hold Alt
  18. Click one of the edges of the circle between the three circles that were just drawn
  19. Release Alt

    Modeling a Simple Door Lock

  20. While the loop cut is still selected, press Ctrl + B and press Enter
  21. In the Bevel window, change the following values: 
    Width:    0.0125
Segments: 2

    Modeling a Simple Door Lock

  22. On the main menu of Blender, click Layout

    Modeling a Simple Door Lock

  23. While the lock is still selected, in the Properties window, click the Modifiers button Modifiers
  24. Still in the Properties window, click Add Modifier -> Generate -> Subdivision Surface
  25. In the Properties window, set the Levels Viewport to 2: 
    Levels Viewport: 2
  26. Right-click the lock and click Shade Smooth:

    Modeling a Simple Door Lock

  27. To save, on the main menu, click File -> Save As...
  28. In the top text box of the Blender File View dialog box, select and display the folder you had created in the first lesson for the Asset Library
  29. Set the file name to Door-Lock-Cylinder
  30. Click Save As
  31. In the Outliner, right-click Door-Lock-Cylindrical and click Mark As Asset
  32. On the main menu, click File -> Open Recent -> Door-Lock-Simple-2
  33. When a message box displays, asking whether you want to "Save Changes Before Closing?", click Save
  34. To save, on the main menu, click File -> Save As...
  35. In the top text box of the Blender File View dialog box, select and display the folder you had created in the first lesson for the Asset Library
  36. Set the file name to Door-Lock-Round-1
  37. Click Save As
  38. In the Outliner, right-click Door-Lock-Round and click Mark As Asset
  39. Close Blender
  40. When a message box displays, asking whether you want to "Save Changes Before Closing?", click Save
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