1 what difference between first angle and third angle projection?

Question

Accepted Answer

First angle and third angle projection are two different methods used in technical drawing to represent a 3D object on a 2D surface.

First angle projection is commonly used in Europe and Asia, while third angle projection is commonly used in North America.
In first angle projection, the object is placed in the first quadrant and the views are projected onto the planes surrounding the object.
In third angle projection, the object is placed in the third quadrant and the views are projected onto the planes behind the object.
The symbol used to represent first angle projection is a square with a dot inside, while the symbol for third angle projection is a square with a cross inside.
First angle projection is often considered more intuitive for beginners, while third angle projection is more commonly used in industry.

Accepted Answer

First angle projection is first draw the front side view then top view and last side view

Third angle projection is first draw the top view then front view and last side view

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