Class Libraries & REST APIs for the developers to manipulate & process Files from Word, Excel, PowerPoint, Visio, PDF, CAD & several other categories in Web, Desktop or Mobile apps. Develop & deploy on Windows, Linux, MacOS & Android platforms....customized properties will be saved into an ‘extra’ field due to..."obj-id" , "box-id" ); scene . Save ( "test.fbx" , FileFormat ....