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....Drawings DXF Drawings IFC Drawings IGES Drawings PLT Drawings STL Drawings...Drawings CFF2 Drawings Working with OBJ File Format Adjusting CAD Drawing...