AutoCAD

How to Attach Xref AutoCAD?

Understanding Xrefs in AutoCAD

What is an Xref?

An Xref, or external reference, in AutoCAD allows you to link drawings and other files into your current project. This feature supports adding various formats such as drawings, images, and point cloud data, functioning like an overlay rather than becoming a permanent part of your design, facilitating collaborative workflows.

Steps to Attach an Xref in AutoCAD

  1. Access the Reference Panel
    Start by navigating to the Insert tab on the AutoCAD interface. Look for the Reference panel to locate the "Attach" option. The command can also be invoked directly by typing ATTACH in the command line.

  2. Open the Select Reference File Dialog
    Clicking on "Attach" will bring up the Select Reference File dialog box. Here, you can browse through your files to find the desired drawing or image you wish to attach.

  3. Select the File
    Once you’ve located the file, select it and click Open. This action will carry you to the Attach External Reference dialog box.

  4. Configure Attachment Settings
    In this dialog, you’ll see options to adjust how the Xref is attached. You can choose between different reference types such as "Attach" or "Overlay." Selecting "Overlay" ensures that nested references are not included, helping to manage how external files interact with each other.

  5. Specify Insertion Points
    Define the point where you want to insert the Xref into your drawing. You can set the insertion point by entering coordinates or clicking in the drawing area.

  6. Adjust Scale and Rotation
    Before finalizing, adjust the scale factor and any rotation settings if necessary. These parameters allow the Xref to fit seamlessly within your existing design.

  7. Finalizing the Attachment
    Once all settings are configured, click OK to complete the attachment. The Xref will now appear in your current drawing as a linked entity, ready for any further adjustments or edits.

Managing Xrefs After Attachment

Clipping an Xref

To modify the visible portion of the attached Xref, you can create a clipping boundary:

  1. Select the Xref
    Click on the Xref you want to clip.

  2. Activate the Clipping Command
    Go to the External Reference tab and select the Clipping panel, clicking on Create Clipping Boundary.

  3. Delete Existing Boundary if Prompted
    If there is a previously set boundary, you will be prompted to delete it. Choose Yes to proceed.

  4. Draw the New Boundary
    You can use a polyline, rectangle, or polygon to specify the new clipping boundary shape.

Editing Clipping Boundaries

To change an existing clipping boundary:

  1. Select the Xref
    Click on the desired Xref to highlight it.

  2. Access the Modify Menu
    Click on the Modify menu, go to Clip, and select Xref.

  3. Input New Boundary
    When prompted, type Enter to specify a new boundary. Again, create your preferred shape for the clipping.

Frequently Asked Questions

Can I Xref a layout into another layout in AutoCAD?

No, AutoCAD does not support Xref-ing layouts into other layouts. You can only reference model space content into paper space.

What is the difference between binding and inserting an Xref?

Binding converts Xref objects into block references within your drawing, while inserting merges them into your current file without adding prefixes to named objects.

Can Xrefs be exploded in AutoCAD?

Directly exploding an Xref isn’t possible. However, if you bind the Xref into your drawing, you can then explode it as a block reference.

About the author

Wei Zhang

Wei Zhang

Wei Zhang is a renowned figure in the CAD (Computer-Aided Design) industry in Canada, with over 30 years of experience spanning his native China and Canada. As the founder of a CAD training center, Wei has been instrumental in shaping the skills of hundreds of technicians and engineers in technical drawing and CAD software applications. He is a certified developer with Autodesk, demonstrating his deep expertise and commitment to staying at the forefront of CAD technology. Wei’s passion for education and technology has not only made him a respected educator but also a key player in advancing CAD methodologies in various engineering sectors. His contributions have significantly impacted the way CAD is taught and applied in the professional world, bridging the gap between traditional drafting techniques and modern digital solutions.