AutoCAD

How to Use Xref in AutoCAD 2012?

Attaching Xrefs in AutoCAD 2025

To utilize external references (Xrefs) in AutoCAD 2025, follow these detailed steps:

  1. Accessing the Insert Tab: Begin by navigating to the Insert tab located on the ribbon. Here, find the Reference panel and select the "Attach" option.

  2. Selecting the Reference File: A dialog box for selecting reference files will appear. From there, choose one or multiple files that you intend to attach and click the Open button.

  3. Configuring Attachment Settings: Once you’ve chosen your files, the Attach External Reference dialog box will appear. Under the Reference Type section, opt for "Attachment" to attach the file in a way that integrates well with your main drawing.

  4. Defining Insertion Parameters: You will then need to specify the insertion point. Set the desired scale and rotation angle based on your requirements. This helps ensure that the Xref aligns perfectly with your existing drawing context.

  5. Finalizing the Attachment: After setting the parameters, confirm your choices by clicking the OK button.

Opening an Xref for Modification

To edit the contents of an Xref, follow these steps:

  1. Identifying the Xref: Click on the object or select the Xref within the main drawing area.

  2. Using the Open Reference Icon: On the External Reference tab, locate the Edit panel and click on the Open Reference icon. This action will open the Xref in a new AutoCAD window, allowing you to make any necessary modifications directly within that file.

Recommended Layer for Xrefs

When working with Xrefs, it is advisable to place them on Layer 0. This practice helps maintain organization within your drawings and ensures compatibility when sharing files with other users.

Creating an Xref

To create an Xref, adhere to these steps:

  1. Command Prompt Entry: Type AMAUTODETAIL in the command prompt and hit Enter.

  2. Selection by Objects: In the Assembly Drawing Detailing dialog, select the option for Selection by Objects.

  3. Naming and Saving: Specify a name for your new Xref, and choose the folder where it will be stored.

  4. Fixed Scale Option: Ensure to pick the Create with Fixed Scale option and set an appropriate scale for the Xref that will be referenced in future projects.

Converting Xrefs to Blocks

To convert an Xref into a block, perform the following:

  1. Accessing the External References Palette: Open the External References palette from your workspace.

  2. Selecting the Reference Name: Identify the Xref you wish to bind and select its name.

  3. Binding the Reference: Right-click on the chosen reference and select the Bind option. In the subsequent Bind Xrefs dialog, choose the binding method that suits your needs. This process will convert the referenced objects into a block reference within your drawing.

Removing an Xref

To remove or detach an Xref that is no longer needed, follow these steps:

  1. Opening the External References Palette: Go to the View tab and open the External References palette.

  2. Choosing the Reference: Locate the DWG reference that you want to detach in the palette.

  3. Detaching the Reference: Right-click on the selected DWG reference and choose the Detach option from the context menu to effectively remove the Xref from your drawing.

Exploding an Xref

To "explode" an Xref, which essentially incorporates it into your drawing as individual components:

  1. Accessing Xref Tools: Hold down the Ctrl key and Right-click on the Xref.

  2. Choosing Bind Option: From the context menu, select Xref Tools, followed by Bind, and then to Original Layers. This action will transfer the entities from the Xref to your main drawing.

Understanding Xref Purposes

Xrefs serve as vital tools in AutoCAD, allowing users to attach external references such as other drawings, PDFs, and images to their projects. This functionality enhances collaboration and reduces file size by avoiding the need to duplicate content.

FAQ

What should the VISRETAIN variable be set to?
Typically, you want VISRETAIN set to “1”. This setting ensures that layer properties from your Xrefs are maintained. However, if you encounter visibility issues, it might be worth checking and resetting this variable.

How can I identify which layer an object in an Xref belongs to?
Using the command Xlist, you can identify objects and their respective layers in an Xref. The regular List command won’t show details inside an Xref, but Xlist will give you comprehensive insights.

Can I directly edit objects within an Xref?
No, you cannot modify individual objects within an Xref directly. To make changes, you must open the Xref file separately using the XOPEN command for editing.

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.