Autodesk DWG Trueview 2013 is a program with which you can access plans designed in AutoCAD without having this program installed.
If you have to share or print these types of documents frequently or your work depends on these plans but you will never need to edit them there is no need to invest in an expensive copy of AutoCAD. With this program you have more than enough.
You can open, view and print projects made in AutoCAD and enjoy different types of view or change the data format. A free program that can be very useful, easy to use and very effective.