Engineering drawing: Difference between revisions

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* the ISO standard considers a [[Orthogonal projection|projection]] on the opposite direction, like an X-ray [[radiography]]; the top view is under the front view, the right view is at the left of the front view... This is called First Angle Projection
* the American standard ( called Third Angle Projection ) places the left view on the left and the top view on the top.
The standard in use is represented by a truncated [[cone (solidgeometry)|cone]].
 
[[Image:Convention placement vues dessin technique.png]]