How to distinguish the three views: the first perspective and the third perspective

Three views: Orthographic engineering drawings (three basic views: front view, top view and left view) that can correctly reflect the length, width and height of objects are three views, which are abstract expressions of the geometric shapes of objects in the engineering field.

The difference between the icons of the first and third perspectives;

Generally speaking, the first angle of view is to look at the image produced by the projection of one object on another from the eyes and look at the picture carefully.

Generally speaking, the third angle of view is to look at the image produced by the reflection of objects from the eyes back to the eyes, and look at the picture carefully.

pay attention to

Be sure to distinguish perspective before construction on drawings.

You should also think clearly about the position of the perspective before drawing.

When drawing, it should be noted that each country uses a different perspective, which depends on the customer.