This is a post by Scott Hendren on the Rand 3D site.

If you are new to Creo Parametric 4.0, and have started working with drawings or the Model Based Definition (MBD) annotation tools, you may be asking, “What is going on with Set Datums?” The simple answer is that Set Datums are replaced by Datum Feature Symbols.

In previous releases of Creo Parametric, a Set Datum was created as a property of a plane or axis feature. Now, a Datum Feature Symbol is created as either a standalone annotation, or inside of an annotation feature, and can only be placed on a surface, dimension, witness line, or GTOL.

Continue Reading on the Rand 3D site…