I got everything working. Sorry about all the emails.
There is the method to allow Adobe Acrobat 3D operate with new version
of U3D SampleSoftware.
See the \Source\RTL\Component\Include\IFXBlockTypes.h
To disable use of the minor version field, comment out #define for
Using 1.2 Gold with old version number is better than using 1.2 Beta2
because 1.2 Gold has several bug fixes.
I also successfully embedded the u3d file in PDF using your PDF
I cannot embed models created with Intel U3D toolkit into PDF documents
using your library. Maybe I am missing something.
Attached you will find the generated u3d file. I built these from source and
generated the output u3d file using this toolkit.
When I embed this file using your U3DTest sample, the data does not show
in Acrobat Reader. The model tree shows no objects loaded.
I am glad that you were able to fix the problem. I was suspecting that
the problem was related to U3D file itself, since we have many clients
in CAD/CAM industry that are using PDFNet SDK to create PDFs with U3D