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Perspective Drawing for Technical Illustration

Perspective Drawing for Technical Illustration. References: 1 , 2 , 3. Perspective Drawings. One-Point Perspective. High Eye level. Low Eye level. Central Eye level. Two-Point & Three-Point Perspective. Orthographic vs. Perspective. Test Model.

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Perspective Drawing for Technical Illustration

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  1. Perspective Drawing for Technical Illustration References: 1, 2, 3

  2. Perspective Drawings

  3. One-Point Perspective High Eye level Low Eye level Central Eye level

  4. Two-Point & Three-Point Perspective

  5. Orthographic vs. Perspective

  6. Test Model

  7. 1. Set Picture Plane, Station Point, Horizon, VP, and Ground Line One-Point Perspective Picture Plane Horizon VP Ground Line Station Point

  8. 2. Place plan and front views [image] Plane Horizon VP Ground Line 3. Sketch front face Station Point [camera]

  9. 4. From front face, draw lines to VP Picture Plane Horizon VP Ground Line Station Point

  10. 5. Project back to picture plane Picture Plane Horizon VP Ground Line 6. Draw side face Station Point

  11. Picture Plane Horizon VP Ground Line Station Point 6. Draw top face

  12. Two-Point Perspective Place the Plan View Set Station Point (SP)

  13. (Eye Line) The location of horizon and ground lines are infinitely variable. The location of the Horizon Line will depend on whether you want to view the object from above eye level or below eye level. The location of the Ground Line in relation to the Horizon Line will determine how far above or below eye level the object will be viewed.

  14. From SP, draw two // lines, intersecting at Picture plane Create LVP & RVP Place Side Elevation on Ground Line Project height to vertical line

  15. Draw lines to LVP & RVP Project width to Picture Plane; Draw vertical lines

  16. Adding Details …

  17. Adding Details

  18. Finishing it up …

  19. Using Drawing Grids

  20. Using Drawing Grid

  21. Making 1-PointPerspective Grid

  22. Set depth of floor

  23. Horizontal Lines

  24. Set depth of wall

  25. Making 2-point perspective grid

  26. Termesphere (ref) 1-,2-,3-point perspective

  27. 4-,5-,6-point perspective

  28. Perspective Shadow (ref)

  29. Floor plan Architecture: from a 3D model to a perspective image Plan view + 3D dimensions Perspective view

  30. Floor plan focal length viewing plane observer Architecture: from a 3D model to a perspective image 2nd vanishing point 1st vanishing point

  31. Architecture: from a 3D model to a perspective image Perspective view 1st v.p. 2nd v.p. Horizon line Floor in perspective Observer’s height Ground line

  32. Reference height Architecture: from a 3D model to a perspective image Perspective view Horizon line Observer’s height Ground line

  33. Reference height Architecture: from a 3D model to a perspective image Perspective view Horizon line Observer’s height Ground line

  34. Reference height Architecture: from a 3D model to a perspective image Perspective view Horizon line Door height Ground line

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