To Create a Feature Control Frame and Align to Dimension Text (AutoCAD Mechanical Toolset)

Note: This operation is typically supported by the ANSI standard (or any dimension style is configured to use a “Centered vertical text placement).
  1. Click Annotate tabSymbols panelFeature Control Frame. Find
  2. Click the dimension text.
  3. In the Feature Control Frame dialog box, enter the data.
  4. Click OK.