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.... WAVEFRONTOBJ ); Preview: The left one has OffsetTop...FileFormat . WAVEFRONTOBJ ); Preview: The left cylinder has GenerateFanCylinder...