GD&T Workshop

Geometric Dimensioning and Tolerancing (GD&T) Trainer workshops are two-day courses that are held at the Gene Haas Education Center in Fairfax, VA.

Prerequisite: Basic knowledge of geometric dimensioning and tolerancing symbols and usage

Workshop topics include:

  • Dimensioning & Tolerancing
  • Introduction to Symbols and Terms
  • Datums
  • Material Condition, Material Boundary, and Conventional Tolerances
  • Form Tolerances
  • Orientation Tolerances
  • Location Tolerances
  • Profile Tolerances

All sessions include print reading exercises.

The investment per participant is $695. This includes professional instruction, in-class textbook, and catered breakfast and lunch for each day. The nearby Residence Inn has a special rate for participants who need overnight accommodations. TAACCCT grant funds may be used to cover the costs.

Upcoming GD&T Workshops:

All scheduled opportunities are listed below. Click on the desired workshop date to register.

Please note that there is a minimum enrollment for all workshops. In the event that your workshop is canceled, you will have the option of attending a future workshop on the same topic or obtaining a refund.

No workshops are scheduled at this time. 

Interested in hosting a GD&T workshop at your organization?
NIMS has a 12-person minimum for GD&T workshops that are held at your location. For more information, contact Rebekah Hutton at