What is the difference between first and third angle projection?

Question

Accepted Answer

First angle projection places the object in the first quadrant, while third angle projection places it in the third quadrant.

First Angle Projection: The object is placed between the observer and the plane, resulting in views that appear inverted.
Third Angle Projection: The object is placed behind the plane, leading to views that are more intuitive and resemble the actual object.
Example of First Angle: In first angle, the top view is below the front view, which can be counterintuitive for some.
Example of Third Angle: In third angle, the top view is above the front view, aligning with how we perceive objects in reality.
Usage: First angle is commonly used in Europe, while third angle is prevalent in the United States and other regions.

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