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What are XREF’s in AutoCAD? An XRef is an ‘external reference' to another AutoCAD drawing file. One file can reference many other files and display them as if they were one.
These are used in projects for many reasons:
• They allow many users to work on individual components of a project.
• Every time an XRef is loaded, it is the most recent version of the drawing.
• XRefs can be updated, added, or unattached from the main drawing at any time.
• You can XRef drawings that they themselves XRef other drawings (nesting).
• They keep the file sizes down. In this session we will cover:
• Attaching and detaching Xrefs
• Updating Xref with Demand Loading
• Notifications for updated XRefs
• Locations and pathing of XRefs
• Control the properties of referenced layers
• Current layer override
• Clipping XRefs
• Nesting XRefs
• Inserting (binding) XRefs