On the ribbon, click Annotate tab Symbols panel
Feature Control Frame .
To place the symbol, do one of the following:
To create a symbol associated to a part edge, pause the cursor over the edge and double-click to add the symbol.
To create a symbol without a leader line, double-click a location for the symbol.
To create a symbol without a leader line associated with geometry, double-click a highlighted edge or point. The symbol is attached to the edge or point.
To create a symbol with a leader line, click a location for the start point of the leader line. If you click a highlighted edge or point, the leader line is attached to the edge or point. Move the cursor and click to add a vertex to the leader line. When the symbol indicator is in the desired position, right-click, and select Continue.
(Optional) Select a symbol preset and modify as needed. If no preset exists, continue with these steps. In step 5 you can save a preset.
Set the attributes and values for the symbol in the Feature Control Frame dialog box, and click OK.
(Optional) If the symbol values are used often, save them as a named preset. To save as a preset, in the preset field click and accept the default name or specify one based on your naming conventions.
Continue placing feature control frames. When you finish placing symbols, right-click, and then choose Done from the menu to end the operation.