Both .pti (texture info) and .pob (3D graphics) files are used in Punch! Home Design Architectural Series modeling tools, so if any program can somehow use both files and perhaps convert or transfer some data, it would be it. Unfortunately, we haven't found any other relevant information about pti to pob conversion.
Convert Punch! Professional Home Design texture info file to Punch! CAD 3D graphics file.
We found one software available in the database for this conversion.
Microsoft Windows software - convert pti to pob on Windows
A suite of architecture modeling tools
Convert from pti file format
The table with program actions contains information about what each program is capable of doing with their files. This may be a good pointer for further searches for certain file conversions and help you find the converter you are looking for if our search result is insufficient for you. However, it is far from perfect and may sometimes show results which are not really usable because of the nature of the software handles the files. So a conversion that appears as possible, just because of matched actions, may in fact not be possible.