In this Document, the practices for Representation of GD&T and the Representation and Presentation of Dimensional Tolerances is complete and implementable. The Presentation of GD&T is based on 3D Annotation, which will require further work, not just for GD&T, but also in order to to able to exchange annotations in general. This work will need to determine a good way of encoding the GD&T presentation, as well as working up practices for different 3D views on the model and associating the relevant annotation with those views. The resolution of these challenges is currently being undertaken by the Cax-IF, and it is envisaged that the sandbox implementations that are done to prove out the proposed methods, will eventually become full blown production capability.
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