Well, the guidelines are different for print than for the web. The "Toolbox" has the details on using the university marks in print, and the WDN templates define the standards for web — but the spacing around the N may be something we have to look into.
Here's the web address of the "Toolbox" -
No, the 3-D N is not permitted for use in print. It is part of the web templates.
See the toolbox for details.