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Did You Know? Stand-Alone Datum Feature Symbols in Creo 4.0

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In Creo 4.0, we introduced a number of features to make using model-based definition more seamless in your 3D CAD software. Among the changes: datum feature symbols can now be used as stand-alone annotations. In this post, our expert shows you how to make the most of this new feature.

If you create a datum feature symbol as a stand-alone annotation, the system adds it to the annotations group at the top of the model tree.

Stand-alone datum feature symbols now also support some functionality that was previously only available if the annotation was part of an annotation feature.

These features can have parameters, which you can access by right clicking on the annotation.


Right-clicking the datum feature symbol to access its parameters.

They can also be designated as a control characteristic which may be accessed from the Options button in the ribbon.

They can have multiple semantic references, which may be accessed from the References button in the ribbon.cover-image-trimmed.png

Adding a semantic reference to a stand-along datum feature symbol.

Look for notifications about problems with stand-alone datum feature symbols in the Notification Center. They are indicated with status icons in the model tree and detail tree.

If any of the annotation references are missing, they are indicated in the references dialog.


The Notifications Center reports a problem with a stand-alone datum feature symbol.

To see a demo of these features, check out the video:

You can also learn more by reading the PTC Creo Help Center page, Datum Feature Symbols as Standalone Annotations in Model-Based Definition.

If you haven’t already, download the software here and try it yourself. And stay tuned to our “Did You Know” blog series, as we cover more enhancements in PTC Creo 4.0.


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Last update:
‎Mar 12, 2017 11:07 PM
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