diff --git a/LuaLibs/ProcessScarfJoint.lua b/LuaLibs/ProcessScarfJoint.lua
index 84af102..1b33c52 100644
--- a/LuaLibs/ProcessScarfJoint.lua
+++ b/LuaLibs/ProcessScarfJoint.lua
@@ -4,6 +4,7 @@
 -- 2022/06/10 Aggiunto il parametro dOvmTail per gestire sovramateriali in coda diversi da OVM_MID (sezioni alte e larghe)
 -- 2022/07/12 Aggiunta gestione PF1250 e TURN.
 -- 2023/02/14 Gestite le rotazioni di 90 deg nell'aggiornamento del grezzo.
+-- 2024/09/03 In ApplyDiceCut, se possibile, i tagli paralleli sono fatti con un unico passaggio di fianco.
 
 -- Tabella per definizione modulo
 local ProcessScarfJoint = {}
@@ -134,7 +135,9 @@ end
 local function ApplyDiceCut( vFaceOrd, nGoodFace1, nGoodFace4, nAddGrpId, b3Solid, ptC, vtN, Proc, vtRef, bHead, sCutting, dSawDiam, b3Raw, dNewDiceDim)
 
    local bOk = true
+   local bOk2 = true
    local sErr = ''
+   local sErr2 = ''
 
    local vCuts = {}
    if nGoodFace1 and nGoodFace4 and nGoodFace1 > 0 and nGoodFace4 > 0 then
@@ -185,9 +188,49 @@ local function ApplyDiceCut( vFaceOrd, nGoodFace1, nGoodFace4, nAddGrpId, b3Soli
          -- extra taglio
          local dExtraCut = EgtIf( i % 2 == 1, 0, BD.CUT_EXTRA)
          -- lavoro la faccia
-         for j = 1, #vCuts[i] do
-            bOk, sErr = Fbs.MakeOne( vCuts[i][j], 0, sCutting, dSawDiam, vtOrthoO, dVzLimDwnUp, dExtraCut, BD.CUT_SIC, 0, 0, 0, nil, b3Raw)
-            if not bOk then return bOk, sErr end
+         local dMaxDepth = 0
+         if EgtMdbSetCurrMachining( sCutting) then
+            local sTuuid = EgtMdbGetCurrMachiningParam( MCH_MP.TUUID)
+            if EgtTdbSetCurrTool( EgtTdbGetToolFromUUID( sTuuid) or '') then
+               dMaxDepth = EgtTdbGetCurrToolMaxDepth() or dMaxDepth
+            end
+         end
+
+         local dDiceFaceMaxH = 0
+         local dDiceFaceMinH = GEO.INFINITO
+         if ( i % 2) == 0  then
+            for cont = 1, #vCuts[i] do
+               local _, dDiceFaceH, dDiceFaceV = BL.GetFaceHvRefDim( vCuts[i][cont], 0)
+               dDiceFaceMaxH = max( dDiceFaceMaxH, dDiceFaceH)
+               -- calcolo lato orizzontale minore ipotizzando sia un trapezio
+               local dDiceFaceH2 = ( 2 * EgtSurfArea( vCuts[i][cont]) ) / dDiceFaceV - dDiceFaceH
+               dDiceFaceMinH = min( dDiceFaceMinH, dDiceFaceH2)
+            end
+         end
+         -- se si può fare, faccio unico taglio parallelo
+         if ( i % 2) == 0 and ( dMaxDepth > dDiceFaceMaxH - 0.5 * dDiceFaceMinH + BD.CUT_EXTRA_MIN) then
+            local bDoubleCut = false
+            local dCutExtra = BD.CUT_EXTRA
+            if dMaxDepth < dDiceFaceMaxH + BD.CUT_EXTRA then
+               bDoubleCut = true
+               dCutExtra = - 0.5 * dDiceFaceMinH + BD.CUT_EXTRA_MIN
+            end
+            local nSurfToCut = EgtSurfTmBySewing( nAddGrpId, vCuts[i], false)
+            local nFaceUseCut1, nFaceUseCut2 = MCH_MILL_FU.ORTHO_BACK, MCH_MILL_FU.ORTHO_FRONT
+            if Proc.Tail then
+               nFaceUseCut1, nFaceUseCut2 = nFaceUseCut2, nFaceUseCut1
+            end
+            if bDoubleCut then
+               bOk, sErr = Fbs.MakeOne( nSurfToCut, 0, sCutting, dSawDiam, nFaceUseCut1, nil, dCutExtra, BD.CUT_SIC, 0, 0, 0, '', b3Raw, true)
+               if not bOk then return false, sErr end
+            end
+            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
+         else
+            for j = 1, #vCuts[i] do
+               bOk, sErr = Fbs.MakeOne( vCuts[i][j], 0, sCutting, dSawDiam, vtOrthoO, dVzLimDwnUp, dExtraCut, BD.CUT_SIC, 0, 0, 0, nil, b3Raw)
+               if not bOk then return bOk, sErr end
+            end
          end
       end
       -- lavoro la faccia interna in ogni caso
@@ -201,7 +244,7 @@ local function ApplyDiceCut( vFaceOrd, nGoodFace1, nGoodFace4, nAddGrpId, b3Soli
       if vFaceOrd[3] ~= 0 then
          -- inserisco la lavorazione
          local vtOrthoO = Vector3d( vtRef)
-         local bOk, sErr = Fbs.MakeOne( Proc.Id, vFaceOrd[3] - 1, sCutting, dSawDiam, vtOrthoO, dVzLimDwnUp, 0, BD.CUT_SIC, 0, 0, 0, nil, b3Raw)
+         bOk, sErr = Fbs.MakeOne( Proc.Id, vFaceOrd[3] - 1, sCutting, dSawDiam, vtOrthoO, dVzLimDwnUp, 0, BD.CUT_SIC, 0, 0, 0, nil, b3Raw)
          if not bOk then return bOk, sErr end
       end
    end