This is a discussion question we received in our Engineering Drawings Basics Course – https://www.gdandtbasics.com/gdt-training/engineering-drawing-basics/
We get a lot of questions about the projection angle symbols and about the differences between First Angle Projection and Third Angle Projection. In this video, we use animations from our course to illustrate the differences between the two along with some general rules.

1st Angle Projection Explanation Video
by GD&T Basics on June 8, 2020.
Overwhelmed by the Complexity of GD&T Training?
Learn GD&T at your own pace and apply it with confidence in the real world.
Contact UsShare This Page
https://www.gdandtbasics.com/1st-angle-projection-question/