GD&T Training & Seminars

Geometric Learning Systems offers on-site training in geometric dimensioning and tolerancing.

Because of the COVID-19 situation, we can offer our same training courses via our WebEx platform! Click on "Contact Us" to ask for details.

If you are striving to more efficiently interpret and communicate functional requirements, then it’s time for a GD&T course with Geometric Learning Systems. Call us today at 248-652-1397.

From the GD&T Blog

Projected Tolerance Zone: Equivalent to Tightening the Zone?

February 26th, 2020

If you’re familiar with the different GD&T modifiers, then you probably know that the circled P...

The New ASME Y14.5-2018 Standard

May 24th, 2019

Well, an updated version of the GD&T standard has been released! Although released in 2019, it...

Common Dimensioning Symbol Errors

April 23rd, 2014

No matter how good a dimensioning system is -- GD&T, anyone? -- there will still be errors encou...

Test Your GD&T Skills

The new ASME Y14.5-2018 standard is here! Our training incorporates the newest features of GD&T. But first, take this quiz to test your basic skills.

Of the given feature control frames, how many are legal?

Take this quiz to test your general knowledge of GD&T.

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75% of visitors have failed this GD&T skills test.

The explanation of bonus tolerance and datum shift was exactly what I was looking for and it’s going to be a HUGE help for me to help others understand GD&T standards.  I can’t thank you enough for the great explanation and the break down of how and why.

I recommend this class to any company that has a group of employees who regularly use prints. The knowledge from this GD&T course can help create engineering design standards, improve inspection techniques, and increase production quality.

Thanks for the GD&T/Tolerance Stack training! Our whole team team found the class to be helpful and informative. The hands-on exercises were well received and allowed a further understanding to the lecture material.

The training that John-Paul provided has corrected many issues regarding GD&T, not only within our engineering department, but throughout the company. Our new understanding of the standard allows us to better communicate with our customers regarding their requirements. John-Paul formatted the training material specifically to our designs, and since the training he has reviewed our drawings on multiple occasions to answer questions regarding the GD&T. He is a valuable resource!

This is one of the best classes I’ve ever taken! The material is relevant and the instructor made the class interesting. The training was clearly presented and well organized.