Creating Datums

You can create datum element by selecting geometry.

Before you begin: Open an existing 3D shape.
Related Topics
About Datum and Datum Target

  1. Activate the Front View.1 annotation plane.

  2. Click Datum Target

  3. Select the attachment surface of the datum feature.

    The Datum Feature dialog box displays with D as default identifier.



  4. Click OK to create the datum if the identifier corresponds to your choice.


    • The Datum feature is created in a specific annotation plane.
    • The Datum entity (identified as Simple Datum.xxx) is added to the Specification Tree.



    Important:

    This datum is only a 3D annotation without any semantic link to the geometrical tolerancing.

  5. Select the datum and drag it anywhere.

    You can notice that it remains in the annotation plane.

  6. Release the datum.