What is the difference between first and third angle drawings

Jobs By Education. Com Jobs B. Pharm Jobs B. Com Jobs M. Pharm Jobs M. Jobs By Batch. Welcome Back! Login to your account below. Forgotten Password? First angle projection is a method of creating a 2D drawing of a 3D object. In first angle, the object is placed in the first quadrant. This means that the vertical plane is behind the object and the horizontal plane is underneath the object. First angle projection method is used in Europe, India, Canada and the rest of world as a default projection system.

Third angle projection is a method of creating a 2D drawing of a 3D object. First angle projection is widely used in India and European countries. The object is placed between the observer and projection planes. The plane of projection is taken solid in 1st angle projection. Symbol —. Skip to content. Change Language. Related Articles. Main objective of both of these projections angle is to provide detail 2D drawings of 3D object but there are some differences in the way one can get the projects by using one on these methods.

Following are some of the differences between First angle and third angle projection. Method of Projection. To start getting projection first divides the plane into four quadrants.

For the first angle projection object is paced in the first quadrant and for the third angle projection object is placed is third quadrant.