Sigmetrix is a provider of comprehensive, easy-to-use software solutions that help users achieve robust designs through tolerance analysis and the correct application of GD&T. With 25+ years of R&D and consulting experience, they are global experts in GD&T and mechanical variation. Products include CETOL 6σ, a fully-integrated 3D tolerance analysis solution enable designers and engineers to understand the impact of part and assembly variation on the fit and performance of their products, EZtol, a 1D analysis tool offering numerous advantages over spreadsheet-based analyses, and GD&T Advisor, an interactive tool that provides expert guidance on the correct application of GD&T to the models per relevant ASME and ISO standards. Sigmetrix also offers world-class GD&T and MBD/MBE training classes and a professional services team that that has years of experience in tolerance analysis and GD&T definition.