To get the first angle projection, the object is placed in the first quadrant meaning it's placed between the plane of projection and the observer. For the third angle projection, the object is placed below and behind the viewing planes meaning the plane of projection is between the observer and the object.
Answers & Comments
Answer:
To get the first angle projection, the object is placed in the first quadrant meaning it's placed between the plane of projection and the observer. For the third angle projection, the object is placed below and behind the viewing planes meaning the plane of projection is between the observer and the object.