3D design software
Acrobat 3D allows design and manufacturing teams to securely share and collaborate on 3D designs without requiring CAD or specialty viewers. It allows users to convert 3D models from a variety of CAD formats and embed them in PDF files, regardless of whether or not they have CAD software. Acrobat 3D includes the full functionality of Acrobat 7.0 Professional edition.
Adobe Systems, Inc. : www.adobe.com/products/acrobat3d