Mesh to single NURBS - Version 1 Mesh to single NURBS is a standalone application. This software can convert an open mesh to a single NURBS surface just by clicking one button. The feature includes:1. Import .stl file;2. Convert mesh to a single NURBS surface;3. Export the surface to .igs file; 4. Controllable precision. The maximum deviation between mesh and surface can be specified;5. Controllable smoothness. The surface's smoothness can be adjusted by 5 levels; 6. Handle large scale data. Surface control point number can reach 300X300 which allows to fit large scale data.