diff --git a/src/distrib/plugins/U3D_LINUX/bin/IDTFConverter b/src/distrib/plugins/U3D_LINUX/bin/IDTFConverter
new file mode 100755
index 000000000..4b091ef33
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diff --git a/src/distrib/plugins/U3D_LINUX/bin/IDTFGen b/src/distrib/plugins/U3D_LINUX/bin/IDTFGen
new file mode 100755
index 000000000..a0ba4a1c0
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diff --git a/src/distrib/plugins/U3D_OSX/Plugins/IFXExporting.dylib b/src/distrib/plugins/U3D_OSX/Plugins/IFXExporting.dylib
deleted file mode 100755
index 807af12de..000000000
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diff --git a/src/distrib/plugins/U3D_OSX/Plugins/IFXImporting.dylib b/src/distrib/plugins/U3D_OSX/Plugins/IFXImporting.dylib
deleted file mode 100755
index 580bbe9a9..000000000
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diff --git a/src/distrib/plugins/U3D_OSX/Plugins/IFXRendering.dylib b/src/distrib/plugins/U3D_OSX/Plugins/IFXRendering.dylib
deleted file mode 100755
index b4318e712..000000000
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diff --git a/src/distrib/plugins/U3D_OSX/Plugins/IFXScheduling.dylib b/src/distrib/plugins/U3D_OSX/Plugins/IFXScheduling.dylib
deleted file mode 100755
index e30e97b7f..000000000
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diff --git a/src/distrib/plugins/U3D_OSX/Plugins/IFXTextureModifier.dylib b/src/distrib/plugins/U3D_OSX/Plugins/IFXTextureModifier.dylib
deleted file mode 100755
index 849c7141f..000000000
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diff --git a/src/distrib/plugins/U3D_OSX/Plugins/libIFXExporting.so b/src/distrib/plugins/U3D_OSX/Plugins/libIFXExporting.so
deleted file mode 100644
index 8ad049913..000000000
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diff --git a/src/distrib/plugins/U3D_OSX/bin/HelloU3DWorld b/src/distrib/plugins/U3D_OSX/bin/HelloU3DWorld
new file mode 100755
index 000000000..6b2d07516
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diff --git a/src/distrib/plugins/U3D_OSX/bin/IDTFConverter b/src/distrib/plugins/U3D_OSX/bin/IDTFConverter
new file mode 100755
index 000000000..6dc0113c8
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diff --git a/src/distrib/plugins/U3D_OSX/bin/IDTFGen b/src/distrib/plugins/U3D_OSX/bin/IDTFGen
new file mode 100755
index 000000000..d844fcb27
Binary files /dev/null and b/src/distrib/plugins/U3D_OSX/bin/IDTFGen differ
diff --git a/src/distrib/plugins/U3D_OSX/libIFXCore.so b/src/distrib/plugins/U3D_OSX/libIFXCore.so
deleted file mode 100755
index 78e040c4d..000000000
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diff --git a/src/distrib/plugins/U3D_OSX/IDTFConverter.out b/src/distrib/plugins/U3D_OSX/old/IDTFConverter.out
similarity index 100%
rename from src/distrib/plugins/U3D_OSX/IDTFConverter.out
rename to src/distrib/plugins/U3D_OSX/old/IDTFConverter.out
diff --git a/src/distrib/plugins/U3D_OSX/IDTFConverter.sh b/src/distrib/plugins/U3D_OSX/old/IDTFConverter.sh
similarity index 100%
rename from src/distrib/plugins/U3D_OSX/IDTFConverter.sh
rename to src/distrib/plugins/U3D_OSX/old/IDTFConverter.sh
diff --git a/src/meshlabplugins/io_u3d/io_u3d.cpp b/src/meshlabplugins/io_u3d/io_u3d.cpp
index 68ffb1df5..2b04ae613 100644
--- a/src/meshlabplugins/io_u3d/io_u3d.cpp
+++ b/src/meshlabplugins/io_u3d/io_u3d.cpp
@@ -106,11 +106,13 @@ bool U3DIOPlugin::save(const QString &formatName, const QString &fileName, MeshM
 		converterPath += "/IDTFConverter.exe";
 		converterCommandLine = converterPath;
 	#elif defined(Q_OS_MAC)
-		converterPath.replace(QString(" "),QString("\\ "));
-		converterCommandLine = "\""+converterPath +"/IDTFConverter.sh"+ "\" \"" + converterPath+"\"";
-		converterPath = converterPath +"/IDTFConverter.sh";
+        //converterPath.replace(QString(" "),QString("\\ "));
+        //converterCommandLine = "\""+converterPath +"/IDTFConverter.sh"+ "\" \"" + converterPath+"\"";
+        //converterPath = converterPath +"/IDTFConverter.sh";
+        converterPath += "/bin/IDTFConverter";
+        converterCommandLine = converterPath;
         #elif defined(Q_OS_LINUX)
-                converterPath = "/usr/bin/IDTFConverter";
+		converterPath += "/bin/IDTFConverter";
 		converterCommandLine = converterPath;
 	#endif
 		if (settings.contains("U3D/converter"))