First Angle Projection
First Angle Projection is commonly used in all countries other than United States. The Indian Standard Institution (ISI) recommend the use of First Angle Projection method now in all the institutions.
In first angle projection the object imagined to be in the first quadrant.
The object is lies between the observer and plane of projection. The plane of projection is assumed to be non transparent.
When view are drawn in their relative position Top view comes below Front view, Right side view drawn to the left side elevation.
A First Angle Projection drawing is identified by the first angle projection symbol. The angle of projection symbol typically appears in angle of projection block near to Title block.
Mechanical Basics Third Angle Projection