It should be possible to convert 3D model data saved in 3DXML format (Dassault Systems) to a 3ds Max format. However, you most likely will be better off with some newer format than .3ds, which has been used since the DOS version of 3D Studio and lacks certain advanced functions and you may have compatibility issues.
Open 3DXML file Open 3DS fileA convertion plugin for 3ds Max