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After Reading a post http://whatrevitwants.blogspot.co.nz/2011/09/create-3d-pdf-files-from-autodesk-revit.html I thunk a bit and found that....
If you export to .3ds you can open in Bentley view and print to 3D.pdf.
Not sure if textures make the journey of not, though tested the functionality with some simple geometry which worked fine...
FYI..Deep Exploration is now an SAP product called Visual Enterprise. SAP bought the program and just rebranded it.
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