3D PDF Viewer is a lightweight 3d pdf document viewer with powerful capabilities. 3D PDF Viewer extends the use of 3D PDF to mobile devices by providing the user ability to view and interact with 3D PDF data directly on iPad and iPhone devices. User can easily zoom, pan and rotate 3D model with multi-touch gesture. Three sample pdf files are provided with application and it is also very easy to import custom models, app has been registered for open event so that user can directly use email attachment, web downloads, FTP, Dropbox, Google Drive, Box and any other cloud storage applications. 3D PDF Viewer is integrated with Box cloud storage through which user can directly browse their files in the application itself.