Skip to main content

Category: GD&T & Print Reading Basics

Articles related to reading engineering drawings and interpreting GD&T on the prints

How Does 1st Angle Projection Work?

by Brandon John on January 19, 2021.

This post is in response to a question that we received on our question line from Gilroy. Gilroy asked us about the drawing projection method in an example problem that was a part of our...

The Basics of Surface Finish

by Seth Elder on January 6, 2021.

Surface finish can be a confusing subject, especially when it comes to units or the difference between Ra and Rz. In this article, we will provide a broad overview and answer some of the most...

Advantages of GD&T vs. Coordinate Tolerancing

by Crystal Bemis on November 6, 2020.

Everyone understands the simple plus or minus tolerances of coordinate dimensioning. So why use GD&T instead? Here are four reasons that GD&T has an advantage over coordinate tolerancing…   What are the advantages of GD&T...

How GD&T Datums Control Degrees of Freedom

by Tom Geiss on May 19, 2020.

In this video, Tom explains how datums work, together with a datum reference frame, to allow you to inspect an imperfect part. Datum Fundamentals   A manufactured part will never be perfect. When inspecting a manufactured...

GD&T Fundamentals Course Syllabus

by GD&T Basics on December 14, 2015.

Take a look below for a complete list of what we cover in our GD&T Fundamentals Course. We are confident this will be the best GD&T course you will find anywhere!