• Help Home
  • English (US)
    1. English (US)
    2. 简体中文
    3. 繁體中文
    4. Čeština
    5. Deutsch
    6. Español
    7. Français
    8. Italiano
    9. 日本語
    10. 한국어
    11. Polski
    12. Português (Brasil)
    13. Русский
AutoCAD Mechanical 2026
    • What's New in AutoCAD Mechanical
      • What's New in AutoCAD Mechanical 2026 Toolset
      • What's New in Previous Releases
    • AutoCAD Mechanical Help Topics
      • Getting Started
      • Configuration and Setup Guide
      • Engineering Calculations
      • Annotation Tools
        • Symbols
          • About Symbols (AutoCAD Mechanical Toolset)
          • About Leader Note Symbols (AutoCAD Mechanical Toolset)
          • About Creating Feature Control Frame Symbols (AutoCAD Mechanical Toolset)
          • About Editing Feature Control Frame Symbols (AutoCAD Mechanical Toolset)
          • To Change the Reference Line of a Feature Control Frame Symbol (AutoCAD Mechanical Toolset)
          • To Change the Plane Indicator in a Feature Control Frame Symbol (AutoCAD Mechanical Toolset)
          • To Work With Frames in a Feature Control Frame Symbol (AutoCAD Mechanical Toolset)
          • About Datum Identifier Symbols (AutoCAD Mechanical Toolset)
          • About Feature Identifier Symbols (AutoCAD Mechanical Toolset)
          • About Taper and Slope Symbols (AutoCAD Mechanical Toolset)
          • About Datum Target Symbols (AutoCAD Mechanical Toolset)
          • About Edge Symbols (AutoCAD Mechanical Toolset)
          • About Datum Identifier Symbols (AutoCAD Mechanical Toolset)
          • About Surface Texture Symbols (AutoCAD Mechanical Toolset)
          • About General Welding Symbols (AutoCAD Mechanical Toolset)
          • About GOST Welding Symbols (AutoCAD Mechanical Toolset)
          • About GOST Marking/Stamping Symbols (AutoCAD Mechanical Toolset)
          • About Dead Joint Symbols (AutoCAD Mechanical Toolset)
          • About Using Leader Note Templates From the Symbol Library (AutoCAD Mechanical Toolset)
          • About Reusing Symbols With the Symbol Library (AutoCAD Mechanical Toolset)
        • About Detail Views (AutoCAD Mechanical Toolset)
        • About Drawing Borders and Title Blocks (AutoCAD Mechanical Toolset)
        • About Revision Lines (AutoCAD Mechanical Toolset)
        • About Standard Import Files (AutoCAD Mechanical Toolset)
        • About Hole Charts (AutoCAD Mechanical Toolset)
        • About Preventing Hole Labels From Changing (AutoCAD Mechanical Toolset)
        • About the Language Converter (AutoCAD Mechanical Toolset)
        • About Custom Multi-Language Dictionary Files (AutoCAD Mechanical Toolset)
        • About the Structure of a Multi-Language Dictionary File (AutoCAD Mechanical Toolset)
        • About Translating Text Strings in the Batch-File Mode (AutoCAD Mechanical Toolset)
        • About Using Multiline Text in AutoCAD Mechanical Toolset
        • About Power Dimensions (AutoCAD Mechanical Toolset)
        • About Creating Linear Dimensions (AutoCAD Mechanical Toolset)
        • About Creating Baseline and Chain Dimensions (AutoCAD Mechanical Toolset)
        • About Creating Radial and Arc Length Dimensions (AutoCAD Mechanical Toolset)
        • About Creating Angular Dimensions (AutoCAD Mechanical Toolset)
        • About Creating Ordinate Dimensions (AutoCAD Mechanical Toolset)
        • About Creating Shaft Dimensions (AutoCAD Mechanical Toolset)
        • About Creating Chamfer Dimensions (AutoCAD Mechanical Toolset)
        • About Editing Dimensions (AutoCAD Mechanical Toolset)
        • About Editing Dimension Text (AutoCAD Mechanical Toolset)
        • About Adding Fits and Tolerances to Dimensions (AutoCAD Mechanical Toolset)
        • About Modifying Dimension Geometry (AutoCAD Mechanical Toolset)
        • About Arranging Dimensions (AutoCAD Mechanical Toolset)
        • About Copying Formatting Between Dimensions (AutoCAD Mechanical Toolset)
        • About Locating Dimensions With Overridden Text (AutoCAD Mechanical Toolset)
        • FAQ: Why does dimension snapping take time in a layout?
        • About Using DIMLFAC With AutoCAD Mechanical toolset
        • About BOMs Balloons and Parts Lists (AutoCAD Mechanical Toolset)
        • About Creating BOMs (AutoCAD Mechanical Toolset)
        • About The Part Reference Workflow (AutoCAD Mechanical Toolset)
        • About The X-Attach Workflow (AutoCAD Mechanical Toolset)
        • About The BOM Attach Workflow (AutoCAD Mechanical Toolset)
        • About the Block Workflow (AutoCAD Mechanical Toolset)
        • About The Mechanical Structure Workflow (AutoCAD Mechanical Toolset)
        • About Changing BOM Representation (AutoCAD Mechanical Toolset)
        • About Editing BOMs (AutoCAD Mechanical Toolset)
        • About Exporting and Importing BOMs (AutoCAD Mechanical Toolset)
        • About Generating Reports From BOMs (AutoCAD Mechanical Toolset)
        • About Creating Part References (AutoCAD Mechanical Toolset)
        • About Editing Part References (AutoCAD Mechanical Toolset)
        • About Editing Assembly Properties (AutoCAD Mechanical Toolset)
        • About Creating and Placing Parts Lists in Drawings (AutoCAD Mechanical Toolset)
        • About Editing the Layout of a Parts List (AutoCAD Mechanical Toolset)
        • About Editing Parts List Data (AutoCAD Mechanical Toolset)
        • About Exporting and Importing Parts Lists (AutoCAD Mechanical Toolset)
        • About Printing Parts Lists (AutoCAD Mechanical Toolset)
        • About Creating Cuts Lists From Parts Lists (AutoCAD Mechanical Toolset)
        • About Creating and Placing Parts List in Drawings (AutoCAD Mechanical Toolset)
        • About Editing the Parts List Data and Layout (AutoCAD Mechanical Toolset)
        • About Exporting GOST Parts Lists (AutoCAD Mechanical Toolset)
        • About Balloons (AutoCAD Mechanical Toolset)
        • About Creating Balloons (AutoCAD Mechanical Toolset)
        • About Modifying Balloons (AutoCAD Mechanical Toolset)
        • About Modifying Balloon Leaders (AutoCAD Mechanical Toolset)
        • About Organizing Balloons (AutoCAD Mechanical Toolset)
        • About Migrating BOMs From Previous Versions (AutoCAD Mechanical Toolset)
        • About Generating BOMs for Drawing Projects With Manual Parts Lists (AutoCAD Mechanical Toolset)
        • About the Migration Process (AutoCAD Mechanical Toolset)
        • About Selecting a Typical Drawing (AutoCAD Mechanical Toolset)
        • About Running the Extraction Template Wizard (AutoCAD Mechanical Toolset)
        • About Creating and Set Up a Reference Drawing (AutoCAD Mechanical Toolset)
        • About Selecting the Drawing Border (AutoCAD Mechanical Toolset)
        • About Selecting Title Blocks (AutoCAD Mechanical Toolset)
        • About Selecting Parts Lists (AutoCAD Mechanical Toolset)
        • About Specifying the Balloon Type (AutoCAD Mechanical Toolset)
        • About Mapping Component Properties (AutoCAD Mechanical Toolset)
        • About Selecting Identifiers (AutoCAD Mechanical Toolset)
        • About Saving the Extraction Templates (AutoCAD Mechanical Toolset)
        • About Running the BOM Migration Wizard (AutoCAD Mechanical Toolset)
        • About Selecting the Project Folder (AutoCAD Mechanical Toolset)
        • About Selecting the Extraction Template (AutoCAD Mechanical Toolset)
        • About Selecting Drawing Cleanup Options (AutoCAD Mechanical Toolset)
        • About Analyzing the Selected Project (AutoCAD Mechanical Toolset)
        • About Analyzing the Project (AutoCAD Mechanical Toolset)
        • About Scale Areas (AutoCAD Mechanical Toolset)
        • About Model Space and Layout (AutoCAD Mechanical Toolset)
        • About Scaling or Rescaling Objects (AutoCAD Mechanical Toolset)
      • Design and Modify Tools
      • Autodesk Inventor Link
      • Using Mechanical Structure
      • Migration of Genius Standard Parts
      • Working with Parts
      • Advanced Tools
      • Working with External Reference Drawings (Xrefs)
      • Formulas
      • IGES Step Translators
      • Glossary of AutoCAD Mechanical Toolset Terms
    • Subscription Benefits
    • Installation
    • Release Notes
    Share
    • Email
    • Facebook
    • Twitter
    • LinkedIn
     
     

    To Change the Reference Line of a Feature Control Frame Symbol (AutoCAD Mechanical Toolset)

    1. In the drawing area, double-click the symbol to edit.
    2. In the Feature Control Frame dialog box, click Symbol tab.
    3. Under Options, for Reference Line, specify either Top Frame or Bottom Frame.
    4. Click OK.

    Related Tasks

    • To Edit a Feature Control Frame Symbol (AutoCAD Mechanical Toolset)
    • To Add a Secondary Leader to a Feature Control Frame Symbol (AutoCAD Mechanical Toolset)
    • To Change the Arrowhead on the Symbol Leader (AutoCAD Mechanical Toolset)
    • To Add Leaders or Leader Segments (AutoCAD Mechanical Toolset)
    • To Remove Leader Segments (AutoCAD Mechanical Toolset)
    • To Attach a Symbol to an Object (AutoCAD Mechanical Toolset)
    • To Detach a Symbol From an Object (AutoCAD Mechanical Toolset)
    • To Add an All-Around or All-Over Designation to a Feature Control Frame Symbol (AutoCAD Mechanical Toolset)
    • To Change the Plane Indicator in a Feature Control Frame Symbol (AutoCAD Mechanical Toolset)
    • To Work With Frames in a Feature Control Frame Symbol (AutoCAD Mechanical Toolset)

    Related Reference

    • Commands for Working With Symbols (AutoCAD Mechanical Toolset)

    Was this information helpful?

    Except where otherwise noted, this work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. Please see the Autodesk Creative Commons FAQ for more information.

    • Privacy Statement
    • Legal Notices & Trademarks
    • Report Noncompliance
    • © 2025 Autodesk Inc. All rights reserved