Extension to Standards

Standards have been extended in order to be able to dimension and to tolerance specific features.

The rules which define the validity of dimensioning and tolerancing specifications are defined by the parent standard parameter of the standard used:


  • For ANSI parent standard, American Standards are used.
  • For ISO parent standard, International Standards are used.
  • For JIS parent standard, International Standards are used

There are rules:

Related Topics
Normative References

For ANSI and ISO Standards


  • Oriented Dimension: capability to create semantic toleranced dimensions on non-Features of Size (between planar face or cylindrical face or spherical face or axis or point or plane or circle, and planar face or cylindrical face or spherical face or axis or point or plane or circle).
  • Capability to create semantic dimensioning and tolerancing on constructed geometry.

For ISO Standards Only


  • Capability to create datum on non-canonical surface (complex surface or prismatic surface).
  • Capability to create shifted profile tolerances.
  • Capability to use tangent plane modifier.