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....Surfaces, Meshes DGN MicroStation Design File - 3D Solids (Conic, Sphere...applications. IGES Initial Graphics Exchange Specification STL...