diff --git a/LuaLibs/FacesBySaw.lua b/LuaLibs/FacesBySaw.lua
index 7e263d9..3f3f54f 100644
--- a/LuaLibs/FacesBySaw.lua
+++ b/LuaLibs/FacesBySaw.lua
@@ -457,7 +457,7 @@ function FacesBySaw.MakeOne( nSurfId, nFacet, sCutting, dSawDiam, Par5, dVzLimDw
          -- se distanza al punto è maggiore del raggio lama, significa che non ho già lavorato, quindi calcolo entrata opportunamente
          if dDistPointToCenter > 0.5 * dSawDiam then
             dLiTang = -dAllStart * dCosAlpha
-            dLiPerp = dDist1 * dSinAlpha 
+            dLiPerp = dDist1 * dSinAlpha
          end
       end
       -- se ho accorciato uscita, setto componente tangente e perpendicolare sul percorso di uscita
diff --git a/LuaLibs/ProcessCut.lua b/LuaLibs/ProcessCut.lua
index 064e709..8f0d645 100644
--- a/LuaLibs/ProcessCut.lua
+++ b/LuaLibs/ProcessCut.lua
@@ -479,12 +479,16 @@ local function MakeFromTop( sCutting, Proc, nPhase, nRawId, nPartId, dOvmHead, b
          -- determino il modo di tagliare
          local vtOrthoO
          local bNoPerpCuts = false
+         local vtO
+         -- Se tagli ortogonali (indice dispari)
          if i % 2 == 1 then
             vtOrthoO = Vector3d( vtN)
+         -- Se tagli perpendicolari (indice pari)
          else
-            local vtO
+            -- Se elemento precedente contiene tagli ortogonali
             if #vCuts[i-1] > 0 then
                vtO = EgtSurfTmFacetNormVersor( vCuts[i-1][1], 0, GDB_ID.ROOT)
+            -- Se elemento successivo contiene tagli ortogonali
             elseif vCuts[i+1] and #vCuts[i+1] > 0 then
                -- lunghezza faccia nell'eventuale direzione ortogonale
                local asseX = EgtSurfTmFacetNormVersor( vCuts[i+1][1], 0, GDB_ID.ROOT)
@@ -552,8 +556,46 @@ local function MakeFromTop( sCutting, Proc, nPhase, nRawId, nPartId, dOvmHead, b
             end
             local bOk2, sErr2 = Fbs.MakeOne( nSurfToCut, 0, sCutting, dSawDiam, nFaceUseCut2, nil, dCutExtra, BD.CUT_SIC, 0, 0, 0, '', b3Raw)
             if not bOk2 then return false, sErr2 end
+
          -- caso standard
          else
+            if ( i % 2) == 0 and Proc.Fct == 1 and AreSameOrOppositeVectorApprox( vtO, Z_AX()) then
+               local vtOrthoVert = vtN ^ vtO
+               if ( vtN:getY() > 0 and vtOrthoVert:getY() > 0) or ( vtN:getY() < 0 and vtOrthoVert:getY() < 0) then
+                  vtOrthoVert = -vtOrthoVert
+               end
+               local Frame = Frame3d( ptC, vtN, vtO)
+               local b3Fac = EgtGetBBoxRef( vCuts[i][1], GDB_BB.STANDARD, Frame)
+               if abs( b3Fac:getDimY() - BD.MAX_DIM_DICE) > 10 * GEO.EPS_SMALL then
+                  local nVerticalCuts = ceil( b3Fac:getDimY() / ( BD.MAX_LEN_DICE)) - 1
+                  local dVerticalSliceDist = b3Fac:getDimY() / ( nVerticalCuts + 1)
+                  local dSawDiam = 400
+                  if EgtMdbSetCurrMachining( sCutting) then
+                     local sTuuid = EgtMdbGetCurrMachiningParam( MCH_MP.TUUID)
+                     if EgtTdbSetCurrTool( EgtTdbGetToolFromUUID( sTuuid) or '') then
+                        dSawDiam = EgtTdbGetCurrToolParam( MCH_TP.DIAM) or dSawDiam
+                     end
+                  end
+                  -- tagli verticali
+                  for k = 1, nVerticalCuts do
+                     local nFaceUse = BL.GetNearestOrthoOpposite( vtN)
+                     local dVerticalCutOffset = dVerticalSliceDist * k
+                     local sLeadInOutType = 'Perpendicular'
+                     local nMergedParallelSurfId = EgtSurfTmBySewing( nAddGrpId, vCuts[i], false)
+                     local ptVertCut = EgtSurfTmFacetCenter( nMergedParallelSurfId, 0, GDB_ID.ROOT)
+                     ptVertCut = ptVertCut + ( -b3Fac:getDimY()/2 + dVerticalCutOffset) * vtOrthoVert
+                     local nSurfId = EgtSurfTmPlaneInBBox( nAddGrpId, ptVertCut, vtOrthoVert, b3Raw, GDB_RT.GLOB)
+                     if i ~= 2 then
+                        local nMergedPreviousParallelSurfId = EgtSurfTmBySewing( nAddGrpId, vCuts[i-2], false)
+                        local ptOnPreviousParallelSurf = EgtSurfTmFacetCenter( nMergedPreviousParallelSurfId, 0, GDB_ID.ROOT)
+                        EgtCutSurfTmPlane( nSurfId, ptOnPreviousParallelSurf, vtN, false, GDB_RT.GLOB)
+                     end
+                     EgtCutSurfTmPlane( nSurfId, ptVertCut, -vtN, false, GDB_RT.GLOB)
+                     local bOk, sErr = Fbs.MakeOne( nSurfId, 0, sCutting, dSawDiam, nFaceUse, nil, -0.1, BD.CUT_SIC, 0, 0, 0, '', b3Raw, nil, nil, nil, sLeadInOutType, nil, 0, nil)
+                     if not bOk then return bOk, sErr end
+                  end
+               end
+            end
             -- lavoro la faccia
             for j = 1, #vCuts[i] do
                -- se taglio dal basso