AutoCAD 2015 and AutoCAD LT 2015 Bible

The most comprehensive AutoCAD book around!

Attach a PDF as an underlay

Lots of people use the PDF format. If you have a PDF image that you want to reference as you draw, you an attach it as an underlay, starting with AutoCAD 2010. This is similar to attaching an xref.

Choose Insert tab> Reference panel> Attach (the ATTACH command). You can also use the PDFATTACH command.