diff --git a/EgtGeomKernel.rc b/EgtGeomKernel.rc
index 8ec6562..2d29c2b 100644
Binary files a/EgtGeomKernel.rc and b/EgtGeomKernel.rc differ
diff --git a/VolZmapVolume.cpp b/VolZmapVolume.cpp
index 16af3bd..bb167e9 100644
--- a/VolZmapVolume.cpp
+++ b/VolZmapVolume.cpp
@@ -2559,8 +2559,8 @@ VolZmap::MillingGeneralMotionStep( const Point3d& ptPs, const Vector3d& vtDs, co
       InitializePointsAndVectors( ptSti, ptEni, vtDSi, vtDEi, ptLs[i], ptLe[i], vtLs[i], vtLe[i]) ;
    }
 
-  // Standarda è multithread
-   constexpr bool MULTITHREAD = false ;
+  // Standard è multithread
+   constexpr bool MULTITHREAD = true ;
    if ( MULTITHREAD) {
 
      // Ciclo sulle mappe