diff --git a/API_Exchange.cpp b/API_Exchange.cpp
index b267359..4ecb3a8 100644
--- a/API_Exchange.cpp
+++ b/API_Exchange.cpp
@@ -125,6 +125,13 @@ __stdcall EgtExport3MF( int nId, const wchar_t* wsFilePath, int nFilter)
    return ( ExeExport3MF( nId, wstrztoA( wsFilePath), nFilter) ? TRUE : FALSE) ;
 }
 
+//-----------------------------------------------------------------------------
+BOOL
+__stdcall EgtExport3dm( int nId, const wchar_t* wsFilePath, int nFilter)
+{
+   return ( ExeExport3dm( nId, wstrztoA( wsFilePath), nFilter) ? TRUE : FALSE) ;
+}
+
 //-----------------------------------------------------------------------------
 BOOL
 __stdcall EgtExportSvg( int nId, const wchar_t* wsFilePath, int nFilter)
diff --git a/EgtInterface.rc b/EgtInterface.rc
index d980e92..73e4202 100644
Binary files a/EgtInterface.rc and b/EgtInterface.rc differ