[iPhone God App] It was found using the 3D PDF Reader actually

3D PDF Reader from Tech Soft 3D extends the use of 3D PDF to mobile devices, providing users with the ability to view and interact with the 3D PDF data directly on iPhone or iPad devices.

3D PDF Reader uses the same 3D format technology used in Adobe Reader for Desktop. Created by Tech Soft 3D, chosen partner of Adobe and established leader in engineering visualization, 3D PDF Reader is the premier solution for mobile users.

Multi-touch gestures let you pan, zoom, and rotate models easily. 3D PDF Reader also supports views, PMI and the ability to query, isolate and hide parts in an assembly.


Features:
Direct reading of PDF files (3D content only).
Support for both .PRC and .U3D formats.
Navigate between various model views.
Query the part names of objects.
Isolate or hide components of an assembly.
Select on PMI to determine what it is associated with.
Single tap on 3D models within Adobe Reader to load the model into 3D PDF Reader.