Tuesday, July 27, 2010

First Angle Orthographic Projection

video

After viewing the video clip, please comment on the followings.
1. How are the 2D drawings created in first angle orthographic projection?
2. Discuss about the layout of first angle orthographic projection drawing.
( Do discuss about the alignment and distance of the drawings.)

17 comments:

  1. They are drawn by looking at the front, top and the side view

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  2. They are created by drawing along the outline of the object, according to its sides.

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  3. How are the 2D drawings created in first angle orthographic projection?
    They use the three perspective of the object, the FRONT, END and PLAN(The Top view).

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  4. Their created from the front, end and plan.

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  5. From perspective point of view

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  6. By humans lar. You draw the top,side and bottom view of the drawings.

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  7. You draw whatever you can see, from where your perspective is.

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  8. they are created by putting the object on 3 sides, then, lines are drawn at the corners straight down or horizontally. After that, join the lines.

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  9. - The sides of the figure are taken out and drawn on another piece of paper to see only one angle of the figure.

    - All of the sides are of equal length. They are in proportion to each other.

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  10. The 2D drawings are achieved by drawing the top or birds eye view of each of the 3 surfaces(Front,End and Plan) of an object. This way 3D can be changed into several 2D drawings.

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  11. 1. It is done by just using 3 2D Drawings. They are then drawn according to the drawing one want to create.
    2. These 3 2D Drawings would be align accordingly to the shape of the object. They would be placed further apart from the object.

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  12. Their created from the front, end and plan perspective.

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  13. 1) The 2D drawings are created in first angle orthographic projection by looking at the top, front and side view of the 3D drawing.
    2) In the 3D drawing, where there is a cut there, in the first angle orthographic projection, a line is used to represent that.

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  14. By using the front, end and plan.

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  15. First angle orthographic makes use of the side view of each of the 4 sides. Example, in a square, Side A is a square, so the image of one of the side of the squares is taken. If it is a triangle, the image of one of the sides is taken

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  16. The 2D figures are created by drawing the outline of the object, such that we will have the lines to form the figure.

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