diff --git a/Drilling.cpp b/Drilling.cpp
index 5bae156..5e6e2a1 100644
--- a/Drilling.cpp
+++ b/Drilling.cpp
@@ -1367,7 +1367,7 @@ Drilling::DoStandardDrilling( const Hole& hole, SelData Id, int nPathId)
       // se rinvio da sotto che richiede speciale rotazione
       if ( m_AggrBottom.nType == 1) {
          Vector3d vtAux = m_vtAggrBottom ;
-         vtAux.Rotate( Z_AX, 90) ;
+         vtAux.Rotate( Z_AX, 0, 1) ;
          SetAuxDir( vtAux) ;
          if ( AddRapidStart( ptP00, MCH_CL_AGB_DWN) == GDB_ID_NULL)
             return false ;
@@ -1442,7 +1442,7 @@ Drilling::DoStandardDrilling( const Hole& hole, SelData Id, int nPathId)
       // se rinvio da sotto che richiede speciale rotazione
       if ( m_AggrBottom.nType == 1) {
          Vector3d vtAux = m_vtAggrBottom ;
-         vtAux.Rotate( Z_AX, 90) ;
+         vtAux.Rotate( Z_AX, 0, 1) ;
          SetAuxDir( vtAux) ;
          if ( AddRapidMove( ptP00, MCH_CL_AGB_UP) == GDB_ID_NULL)
             return false ;
@@ -1496,7 +1496,7 @@ Drilling::DoPeckDrilling( const Hole& hole, SelData Id, int nPathId)
       // se rinvio da sotto che richiede speciale rotazione
       if ( m_AggrBottom.nType == 1) {
          Vector3d vtAux = m_vtAggrBottom ;
-         vtAux.Rotate( Z_AX, 90) ;
+         vtAux.Rotate( Z_AX, 0, 1) ;
          SetAuxDir( vtAux) ;
          if ( AddRapidStart( ptP00, MCH_CL_AGB_DWN) == GDB_ID_NULL)
             return false ;
@@ -1644,7 +1644,7 @@ Drilling::DoPeckDrilling( const Hole& hole, SelData Id, int nPathId)
       // se rinvio da sotto che richiede speciale rotazione
       if ( m_AggrBottom.nType == 1) {
          Vector3d vtAux = m_vtAggrBottom ;
-         vtAux.Rotate( Z_AX, 90) ;
+         vtAux.Rotate( Z_AX, 0, 1) ;
          SetAuxDir( vtAux) ;
          if ( AddRapidMove( ptP00, MCH_CL_AGB_UP) == GDB_ID_NULL)
             return false ;
diff --git a/MachineHeads.cpp b/MachineHeads.cpp
index 563a9b6..cf57dfc 100644
--- a/MachineHeads.cpp
+++ b/MachineHeads.cpp
@@ -147,11 +147,11 @@ Machine::LoadTool( Exit* pExit, const string& sTool)
    int nT = m_pGeomDB->GetFirstGroupInGroup( nExGrp) ;
    if ( nT == GDB_ID_NULL)
       return false ;
-   m_pGeomDB->Rotate( nT, ORIG, X_AX, 90) ;
+   m_pGeomDB->Rotate( nT, ORIG, X_AX, 0, 1) ;
   // se mortasa, lo ruoto 90 deg attorno a Z
    int nType ;
    if ( m_pMchMgr->TdbGetCurrToolParam( TPA_TYPE, nType)  &&  nType == TT_MORTISE_STD)
-      m_pGeomDB->Rotate( nT, ORIG, Z_AX, 90) ;
+      m_pGeomDB->Rotate( nT, ORIG, Z_AX, 0, 1) ;
    pExit->SetTool( sTool) ;
    return true ;
 }
diff --git a/Milling.cpp b/Milling.cpp
index f516d37..9e99dae 100644
--- a/Milling.cpp
+++ b/Milling.cpp
@@ -2648,7 +2648,7 @@ Milling::AddApproach( const Point3d& ptP, const Vector3d& vtTool, double dSafeZ,
       // se rinvio da sotto che richiede speciale rotazione
       if ( m_AggrBottom.nType == 1) {
          Vector3d vtAux = m_vtAggrBottom ;
-         vtAux.Rotate( Z_AX, 90) ;
+         vtAux.Rotate( Z_AX, 0, 1) ;
          SetAuxDir( vtAux) ;
          if ( AddRapidStart( ptP00, MCH_CL_AGB_DWN) == GDB_ID_NULL)
             return false ;
@@ -2789,7 +2789,7 @@ Milling::AddRetract( const Point3d& ptP, const Vector3d& vtTool, double dSafeZ,
       // se rinvio da sotto che richiede speciale rotazione
       if ( m_AggrBottom.nType == 1) {
          Vector3d vtAux = m_vtAggrBottom ;
-         vtAux.Rotate( Z_AX, 90) ;
+         vtAux.Rotate( Z_AX, 0, 1) ;
          SetAuxDir( vtAux) ;
          if ( AddRapidMove( ptP00, MCH_CL_AGB_UP) == GDB_ID_NULL)
             return false ;
@@ -2859,7 +2859,7 @@ Milling::CalcLeadInStart( const Point3d& ptStart, const Vector3d& vtStart, const
    case MILL_LI_LINEAR :
    case MILL_LI_TANGENT : {
          Vector3d vtPerp = vtStart ;
-         vtPerp.Rotate( vtN, ( bCcwRot ? 90 : - 90)) ;
+         vtPerp.Rotate( vtN, 0, ( bCcwRot ? 1 : - 1)) ;
          ptP1 = ptStart - vtStart * dTang + vtPerp * dPerp + vtN * dElev ;
          return true ;
       }
@@ -3005,7 +3005,7 @@ Milling::AddLeadIn( const Point3d& ptP1, const Point3d& ptStart, const Vector3d&
          bool bAtLeft = ( m_Params.m_nWorkSide != MILL_WS_RIGHT) ;
         // vettore dal punto al centro elica
          Vector3d vtCen = vtStart ;
-         vtCen.Rotate( vtN, ( bAtLeft ? ANG_RIGHT : - ANG_RIGHT)) ;
+         vtCen.Rotate( vtN, 0, ( bAtLeft ? 1 : - 1)) ;
         // dati dell'elica
          double dRad = 0.5 * min( m_Params.m_dLiTang, m_TParams.m_dDiam) ;
          Point3d ptCen = ptP1 + vtCen * dRad ;
@@ -3086,7 +3086,7 @@ Milling::AddLeadOut( const Point3d& ptEnd, const Vector3d& vtEnd, const Vector3d
    case MILL_LO_LINEAR :
       {
          Vector3d vtPerp = vtEnd ;
-         vtPerp.Rotate( vtN, ( bCcwRot ? 90 : - 90)) ;
+         vtPerp.Rotate( vtN, 0, ( bCcwRot ? 1 : - 1)) ;
          ptP1 = ptEnd + vtEnd * dTang + vtPerp * dPerp + vtN * dElev ;
          return ( AddLinearMove( ptP1, MCH_CL_LEADOUT) != GDB_ID_NULL) ;
       }
@@ -3094,7 +3094,7 @@ Milling::AddLeadOut( const Point3d& ptEnd, const Vector3d& vtEnd, const Vector3d
       {
         // calcolo punto finale dell'uscita
          Vector3d vtPerp = vtEnd ;
-         vtPerp.Rotate( vtN, ( bCcwRot ? 90 : - 90)) ;
+         vtPerp.Rotate( vtN, 0, ( bCcwRot ? 1 : - 1)) ;
          ptP1 = ptEnd + vtEnd * dTang + vtPerp * dPerp + vtN * dElev ;
         // inserisco uscita
          PtrOwner<ICurve> pCrv( GetArc2PVN( ptEnd, ptP1, vtEnd, vtN)) ;
diff --git a/Operation.cpp b/Operation.cpp
index a623d3d..20c2559 100644
--- a/Operation.cpp
+++ b/Operation.cpp
@@ -365,7 +365,7 @@ Operation::GetMinDistanceFromRawSide( int nPhase, const Point3d& ptP, double& dD
                   if ( distPC.GetParamAtMinDistPoint( 0, dU, nFlag)  &&
                        pCurve->GetPointTang( dU, ICurve::FROM_MINUS, ptML, vtTgL)) {
                      vtDir = vtTgL ;
-                     vtDir.Rotate( Z_AX, - ANG_RIGHT) ;
+                     vtDir.Rotate( Z_AX, 0, -1) ;
                      vtDir.ToGlob( frRaw) ;
                      vtDir.Normalize() ;
                      break ;
diff --git a/Pocketing.cpp b/Pocketing.cpp
index d1e00ff..37c674c 100644
--- a/Pocketing.cpp
+++ b/Pocketing.cpp
@@ -2748,7 +2748,7 @@ Pocketing::AddApproach( const Point3d& ptP, const Vector3d& vtTool, double dSafe
       // se rinvio da sotto che richiede speciale rotazione
       if ( m_AggrBottom.nType == 1) {
          Vector3d vtAux = m_vtAggrBottom ;
-         vtAux.Rotate( Z_AX, 90) ;
+         vtAux.Rotate( Z_AX, 0, 1) ;
          SetAuxDir( vtAux) ;
          if ( AddRapidStart( ptP00, MCH_CL_AGB_DWN) == GDB_ID_NULL)
             return false ;
@@ -2896,7 +2896,7 @@ Pocketing::AddRetract( const Point3d& ptP, const Vector3d& vtTool, double dSafeZ
       // se rinvio da sotto che richiede speciale rotazione
       if ( m_AggrBottom.nType == 1) {
          Vector3d vtAux = m_vtAggrBottom ;
-         vtAux.Rotate( Z_AX, 90) ;
+         vtAux.Rotate( Z_AX, 0, 1) ;
          SetAuxDir( vtAux) ;
          if ( AddRapidMove( ptP00, MCH_CL_AGB_UP) == GDB_ID_NULL)
             return false ;
@@ -3012,7 +3012,7 @@ Pocketing::AddLeadIn( const Point3d& ptP1, const Point3d& ptStart, const Vector3
       {
         // vettore dal punto al centro elica
          Vector3d vtCen = vtStart ;
-         vtCen.Rotate( vtN, ( bAtLeft ? ANG_RIGHT : - ANG_RIGHT)) ;
+         vtCen.Rotate( vtN, 0, ( bAtLeft ? 1 : - 1)) ;
         // dati dell'elica
          double dRad = min( 0.5 * min( m_Params.m_dLiTang, m_TParams.m_dDiam), m_dMaxHelixRad) ;
          Point3d ptCen = ptP1 + vtCen * dRad ;
diff --git a/SawFinishing.cpp b/SawFinishing.cpp
index c592faa..8026709 100644
--- a/SawFinishing.cpp
+++ b/SawFinishing.cpp
@@ -1945,9 +1945,9 @@ SawFinishing::CalculateToolAndCorrVersors( const Vector3d& vtTang, int nHeadSide
       return false ;
   // ruoto attorno a Zglob+ a seconda del lato mandrino
    if ( nHeadSide == SAW_HS_LEFT)
-      vtTool.Rotate( Z_AX, 90) ;
+      vtTool.Rotate( Z_AX, 0, 1) ;
    else
-      vtTool.Rotate( Z_AX, -90) ;
+      vtTool.Rotate( Z_AX, 0, -1) ;
 
   // Versore correzione
    vtCorr = Z_AX ;
diff --git a/SawRoughing.cpp b/SawRoughing.cpp
index 5fc92dd..f2d58b6 100644
--- a/SawRoughing.cpp
+++ b/SawRoughing.cpp
@@ -1561,9 +1561,9 @@ SawRoughing::CalculateToolAndCorrVersors( const Vector3d& vtTang, int nHeadSide,
       return false ;
   // ruoto attorno a Zglob+ a seconda del lato mandrino
    if ( nHeadSide == SAW_HS_LEFT)
-      vtTool.Rotate( Z_AX, 90) ;
+      vtTool.Rotate( Z_AX, 0, 1) ;
    else
-      vtTool.Rotate( Z_AX, -90) ;
+      vtTool.Rotate( Z_AX, 0, -1) ;
 
   // Versore correzione
    vtCorr = Z_AX ;
diff --git a/Sawing.cpp b/Sawing.cpp
index cc44f09..48f597d 100644
--- a/Sawing.cpp
+++ b/Sawing.cpp
@@ -3261,9 +3261,9 @@ Sawing::CalculateToolAndCorrVersors( const Vector3d& vtTang, int nHeadSide, int
       return false ;
   // ruoto attorno a Zglob+ a seconda del lato mandrino
    if ( nHeadSide == SAW_HS_LEFT)
-      vtTool.Rotate( Z_AX, 90) ;
+      vtTool.Rotate( Z_AX, 0, 1) ;
    else
-      vtTool.Rotate( Z_AX, -90) ;
+      vtTool.Rotate( Z_AX, 0, -1) ;
 
   // Versore correzione
    vtCorr = Z_AX ;