Std Import/it

Adds the content of a file from another application to the current document. A number of file formats are supported: *.IGES, *.STEP, *.BREP, *.STL, *.OBJ, *.PLY, etc.

When loading, the file is added to the current (already open) project. If you want to load a new file in a new window, use the Open command.

FreeCAD Project files have the extension "FCStd". For more information on the internal structure of FreeCAD project files, read the FCStd file format article.