diff --git a/LuaLibs/AddManData.lua b/LuaLibs/AddManData.lua
index b8f9032..6e3c77f 100644
--- a/LuaLibs/AddManData.lua
+++ b/LuaLibs/AddManData.lua
@@ -143,8 +143,9 @@ KEY_HAS_SOLIDS = "Solids"
 
 SLICING_TYPE = {
    VERTICAL = 1,
-   DEG45 = 2,
-   HORIZONTAL = 3,
+   DEG45_X = 2,
+   DEG45_Y = 3,
+   HORIZONTAL = 4,
 }
 
 TYPE = {
diff --git a/LuaLibs/CalcSlices.lua b/LuaLibs/CalcSlices.lua
index e63b8e5..38e838e 100644
--- a/LuaLibs/CalcSlices.lua
+++ b/LuaLibs/CalcSlices.lua
@@ -282,8 +282,10 @@ function CalcSlices.Exec( nPartId, nStmId, HMax)
    local nSlicingType = EgtGetInfo( s_nPartId, KEY_SLICING_TYPE, 'i')
    if nSlicingType == SLICING_TYPE.HORIZONTAL then
       vtSlicing =  X_AX()
-   elseif nSlicingType == SLICING_TYPE.DEG45 then
+   elseif nSlicingType == SLICING_TYPE.DEG45_X then
       vtSlicing =  VectorFromSpherical( 1, 45, 0)
+   elseif nSlicingType == SLICING_TYPE.DEG45_Y then
+      vtSlicing = VectorFromSpherical( 1, 45, 90)
    end
 
    EgtSetInfo( s_nPartId, KEY_SLICING_DIR, vtSlicing)
diff --git a/LuaLibs/CalcToolPath.lua b/LuaLibs/CalcToolPath.lua
index 796f637..72e6d33 100644
--- a/LuaLibs/CalcToolPath.lua
+++ b/LuaLibs/CalcToolPath.lua
@@ -961,7 +961,7 @@ local function SpiralVase( vLayIds, dCorrZ, LayerParams)
    local nSlicingType = EgtGetInfo( s_nPartId, KEY_SLICING_TYPE, 'i')
    
    -- copio ultimo layer
-   if nSlicingType ~= SLICING_TYPE.DEG45 then
+   if nSlicingType ~= SLICING_TYPE.DEG45_X and nSlicingType ~= SLICING_TYPE.DEG45_Y then
       local nNewLay = EgtCopyGlob( vLayIds[#vLayIds], vLayIds[#vLayIds], GDB_IN.AFTER)
       table.insert( vLayIds, nNewLay)
       EgtMove( nNewLay, LayerParams.dLayHeight * LayerParams.vtSlicing, GDB_RT.GLOB)
@@ -1010,7 +1010,7 @@ local function SpiralVase( vLayIds, dCorrZ, LayerParams)
                
             -- correggo posizione in Z ( per essere sicuri di appoggiare sul piano)
             EgtMove( nNewEntId, dCorrZ * Z_AX(), GDB_RT.GLOB)
-            if nSlicingType == SLICING_TYPE.DEG45 then
+            if nSlicingType == SLICING_TYPE.DEG45_X or nSlicingType == SLICING_TYPE.DEG45_Y then
                -- eventuale spostamento dell'altezza layer
                EgtMove( nNewEntId, LayerParams.dLayHeight * LayerParams.vtSlicing, GDB_RT.GLOB)
             end
@@ -1089,7 +1089,7 @@ function CalcToolPath.Exec( nPartId)
       local vtMove = Vector3d( 0, 0, dCorrZ) 
       -- se slicing a 45° aggiungo correzione anche in direzione dello slicing
       local nSlicingType = EgtGetInfo( s_nPartId, KEY_SLICING_TYPE, 'i') or 1
-      if nSlicingType == SLICING_TYPE.DEG45 then
+      if nSlicingType == SLICING_TYPE.DEG45_X or nSlicingType == SLICING_TYPE.DEG45_Y then
          vtMove = vtMove + LayerParams.dLayHeight / 2 * LayerParams.vtSlicing
       end
       local SolidLayId = EgtGetFirstNameInGroup( s_nPartId, PRINT_SOLID)
@@ -1124,7 +1124,7 @@ function CalcToolPath.Exec( nPartId)
             return 
          else
             EgtSetStatus( nPathGrpId, GDB_ST.OFF)
-         end         
+         end
          -- recupero il gruppo dei percorsi utensile
          local nTpathGrpId = EgtGetFirstNameInGroup( nCrvGrpId, TOOLPATH_GRP)
          if not nTpathGrpId then
diff --git a/LuaLibs/RunSlicing.lua b/LuaLibs/RunSlicing.lua
index 05113a8..6f07362 100644
--- a/LuaLibs/RunSlicing.lua
+++ b/LuaLibs/RunSlicing.lua
@@ -42,8 +42,10 @@ local function LoadParams( sFile, nPartId)
    local sSlicingType = EgtGetStringFromIni( SEC_DEFAULT, KEY_SLICING_TYPE, 'Vertical', sFile)
    if sSlicingType == 'Horizontal' then
       EgtSetInfo( nPartId, KEY_SLICING_TYPE, SLICING_TYPE.HORIZONTAL)
-   elseif sSlicingType == 'Deg45' then 
-      EgtSetInfo( nPartId, KEY_SLICING_TYPE, SLICING_TYPE.DEG45)
+   elseif sSlicingType == 'Deg45X' then 
+      EgtSetInfo( nPartId, KEY_SLICING_TYPE, SLICING_TYPE.DEG45_X)
+   elseif sSlicingType == 'Deg45Y' then 
+      EgtSetInfo( nPartId, KEY_SLICING_TYPE, SLICING_TYPE.DEG45_Y)
    else
       EgtSetInfo( nPartId, KEY_SLICING_TYPE, SLICING_TYPE.VERTICAL)
    end