Datum Feature Symbols

You can attach a datum feature symbol to the following items:

In a part or assembly, on a planar model surface or on a reference plane
In a drawing view, on a surface that appears as an edge (including silhouette edges) or on a section view surface to identify datum planes in the part
A geometric tolerance symbol frame
In a note
On a dimension, except for:
- Ordinate dimensions
- Chamfer dimensions
- Angular dimensions (unless the symbols are displayed per the 1982 standard)
- Arc dimensions

You can also drag and drop datum feature symbols onto existing dimensions and geometric tolerance frames.


Datum feature symbol attached to model surface	Datum feature symbol attached to dimension

Datum feature symbols attached to model surface, dimensions, and geometric tolerance symbol frame