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Using PDF Files as Underlays

You can attach one or more pages of PDF (Portable Document Format) documents to drawings as underlays.

When you attach a PDF file as an underlay, the software links the file as a reference to the current drawing.

If an attached PDF is organized in layers, you can control the visibility of the layers.

You can clip a PDF underlay to display only part of a PDF document.

The names of PDF underlays are listed in the References palette which lets you manage them.

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