Fred

Hello, can you give me the version of freecad that you use ? Frédéric

yes, after a long absence I will resume the development here in June

Hello thanks for your feed back. Some questions : -can you open the report view (Menu View /Panels/Report vierw) and copy the error ? -is it only with NACA profil...

Partially corrected in V0.4. FreeCAD V0.19 => OK, import file and Naca Generator. FreeCAD V0.18 under windows : - Import file => Ok - NACA generator doesn't work