Assembly Design > Top Down Design > Notebooks > Preparing Notebooks > To Create a Reference Datum Point for a Notebook
  
To Create a Reference Datum Point for a Notebook
1. Click Annotate > Model Datum > Point. The Select Point Dialog box opens.
2. Choose one of the following options to place the datum point:
—Click in the notebook window to create a free point.
—Enter the X and Y values for the point's absolute coordinates.
—Select a point and enter relative X and Y value for coordinates to place the new point relative to the selected point.
—Click a point on an entity to set a point.
—Click a vertex to place the point on the vertex.
3. Click OK.
4. At the prompt, enter a name for the datum point and press ENTER or click .