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Dimensional Variation

Our Dimensional Variation Analysis Services

  • Definition Of Dimensional Requirements
  • 3D Tolerance Analysis - All CAD Packages
  • System Optimization
  • GD&T Development
  • Manufacturing Process Documentation
  • Measurement Plans & Documentation
  • Root Cause Analysis of Build Issues


  • VisVSA
  • Team Center (TCE/MSE)
  • Catia V5
  • I-DEAS
  • HyperMesh

3D Tolerance Analysis

TDM can support your analysis needs utilizing 3D analysis tools providing a Monte Carlo predicted range of variation along with a Design of Experiments High/Low/Median sensitivity analysis of the variation contributors.

3D Tolerance Analysis - Troy Design and Manufacturing

Automotive Expertise

Our expertise in tolerance analysis includes Chassis Systems, Exterior Sheet Metal & Ornamentation, and Interior systems including IP and Seats.

Automotive Expertise - Troy Design and Manufacturing


We are well versed in the steps necessary to create a solid measurement plan including functional GD&T, assembly process, and measurement point selection.

Documentation - Troy Design and Manufacturing