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Distinguish, differentiate, compare and explain what is the Difference between First and Third angle projection. Comparison and Differences.
Difference between First and Third angle projection
S.No. | First angle projection | Third angle projection |
1 | An object is kept in the first quadrant. | An object is assumed to be kept in the third quadrant. |
2 | Object lies between an observer and the plane of projection. | The plane of projection lies between the observer and the object. |
3 | The plane of projection is assumed to be non-transparent. | The plane of projection is assumed to be transparent. |
4 | Front (elevation) view is drawn above the XY line. | Front (elevation) view is drawn below the XY line. |
5 | Top (plan) view is drawn below the XY line. | Top (plan) view is drawn above the XY line. |
6 | Left view is projected on the right plane and vice versa. | Left view is projected on the left plane itself. |
7 | It is followed in India and in European countries. | It is followed in the USA. |
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Difference between Third angle projection vs First
First vs Third angle projection
Differences between Third angle projection vs First
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