diff --git a/API_Exchange.cpp b/API_Exchange.cpp
index 8984e90..f94dc8b 100644
--- a/API_Exchange.cpp
+++ b/API_Exchange.cpp
@@ -83,6 +83,13 @@ __stdcall EgtImportStl( const wchar_t* wsFilePath, double dScaleFactor)
    return ( ExeImportStl( wstrztoA( wsFilePath), dScaleFactor) ? TRUE : FALSE) ;
 }
 
+//-----------------------------------------------------------------------------
+BOOL
+__stdcall EgtImportOff( const wchar_t* wsFilePath, double dScaleFactor)
+{
+   return ( ExeImportOff( wstrztoA( wsFilePath), dScaleFactor) ? TRUE : FALSE) ;
+}
+
 //-----------------------------------------------------------------------------
 BOOL
 __stdcall EgtImport3MF( const wchar_t* wsFilePath)
diff --git a/EgtInterface.rc b/EgtInterface.rc
index 344a8d9..4937e80 100644
Binary files a/EgtInterface.rc and b/EgtInterface.rc differ