diff --git a/LuaLibs/WMachiningLib.lua b/LuaLibs/WMachiningLib.lua
index 35d2dcc..78d84d3 100644
--- a/LuaLibs/WMachiningLib.lua
+++ b/LuaLibs/WMachiningLib.lua
@@ -28,14 +28,16 @@ local function SetCurrMachiningAndTool( sMachName)
 end
 
 ---------------------------------------------------------------------
-function WMachiningLib.FindCutting( sType)
+function WMachiningLib.FindCutting( sType, dDepth)
    for i = 1, #Cuttings do
       local Cutting = Cuttings[i]
       if Cutting.On and Cutting.Type == sType and SetCurrMachiningAndTool( Cutting.Name) then
          local dSawDiam = EgtTdbGetCurrToolParam( MCH_TP.DIAM) or 0
          local dSawThick = EgtTdbGetCurrToolParam( MCH_TP.THICK) or 0
          local dSawMaxDepth = EgtTdbGetCurrToolMaxDepth() or 0
-         return Cutting.Name, dSawDiam, dSawThick, dSawMaxDepth
+         if not dDepth or dSawMaxDepth > dDepth - 10 * GEO.EPS_SMALL then
+            return Cutting.Name, dSawDiam, dSawThick, dSawMaxDepth
+         end
       end
    end
 end
diff --git a/LuaLibs/WProcessFreeContour.lua b/LuaLibs/WProcessFreeContour.lua
index 010fd7f..3476b7a 100644
--- a/LuaLibs/WProcessFreeContour.lua
+++ b/LuaLibs/WProcessFreeContour.lua
@@ -1,4 +1,4 @@
--- ProcessFreeContour.lua by Egaltech s.r.l. 2021/02/19
+-- ProcessFreeContour.lua by Egaltech s.r.l. 2021/03/11
 -- Gestione calcolo profilo libero per Pareti
 
 -- Tabella per definizione modulo
@@ -1091,6 +1091,8 @@ local function AddMillings( sMilling, vFace, Proc, nRawId, b3Raw, nConeCut, nAdd
          dMaxDepth = EgtIf( WD.MILL_MAX_DEPTH_AS_MAT, EgtTdbGetCurrToolParam( MCH_TP.MAXMAT), EgtTdbGetCurrToolMaxDepth()) or dMaxDepth
       end
    end
+   -- se entità singola in parte fatta con lama, non lavoro
+   if #vFace == 1 and vFace[1].Type ~= 4 then return true end
    -- verifico se ciclo chiuso
    local bClosed = ( abs( vFace[1].PrevAng) > 0.1)
    -- ciclo di inserimento delle fresate sulle facce del contorno in esame
@@ -1191,7 +1193,7 @@ local function AddMillings( sMilling, vFace, Proc, nRawId, b3Raw, nConeCut, nAdd
          local dEal = 0
          local OrigI = i
          i = i + 1
-         local j = EgtIf( i <= #vFace, i, EgtIf( bAllType4, nil, 1))
+         local j = EgtIf( i <= #vFace, i, EgtIf( bAllType4 or not bClosed, nil, 1))
          while j and ( ( vFace[j].Type & 1) ~= 0  or  vFace[j].Type == 4) and abs( vFace[j].SideAng - vFace[OrigI].SideAng) < 0.1 do
             table.insert( vGeom, { Proc.Id, vFace[j].Fac})
             dEal = EgtIf( ( vFace[j].Type & 1) ~= 0, vFace[j].Whisk - vFace[j].Len, 0)
@@ -1201,6 +1203,11 @@ local function AddMillings( sMilling, vFace, Proc, nRawId, b3Raw, nConeCut, nAdd
             i = i + 1
             j = EgtIf( j + 1 <= #vFace, j + 1, EgtIf( bAllType4 or not bClosed, nil, 1))
          end
+         -- se faccia singola è da fare tutta senza oltrepassare estremi
+         if #vFace == 1 then
+            dSal = -dMillDiam / 2
+            dEal = -dMillDiam / 2
+         end
          -- se non devo scaricare l'angolo
          if nConeCut <= 1 then 
             EgtSetMachiningGeometry( vGeom)
@@ -1470,6 +1477,7 @@ local function AddCuts( sCutting, vFace, Proc, nRawId, b3Raw, dSawThick)
             return false, sErr
          end
          EgtSetInfo( nMchId, 'Part', Proc.PartId)
+         local dSpeed = EgtGetMachiningParam( MCH_MP.SPEED)
          -- aggiungo geometria
          EgtSetMachiningGeometry( { { Proc.Id, vFace[i].Fac}})
          -- assegno affondamento
@@ -1485,8 +1493,8 @@ local function AddCuts( sCutting, vFace, Proc, nRawId, b3Raw, dSawThick)
          EgtSetMachiningParam( MCH_MP.INVERT, bInvert)
          -- imposto lato di lavoro
          EgtSetMachiningParam( MCH_MP.WORKSIDE, EgtIf( bInvert, MCH_SAW_WS.LEFT, MCH_SAW_WS.RIGHT))
-         -- lato mandrino sempre a sinistra (rotazione lama oraria)
-         EgtSetMachiningParam( MCH_MP.HEADSIDE, MCH_SAW_HS.LEFT)
+         -- lato mandrino ( a sinistra se rotazione CCW, altrimenti a destra)
+         EgtSetMachiningParam( MCH_MP.HEADSIDE, EgtIf( dSpeed < 0, MCH_SAW_HS.LEFT, MCH_SAW_HS.RIGHT))
          -- assegno i dati di attacco (sicurezza solo se angolo interno)
          local nLeadIn = MCH_SAW_LI.CENT
          if ( not bInvert and ( vFace[i].Type & 1) ~= 0) or ( bInvert and ( vFace[i].Type & 2) ~= 0) then
@@ -1509,9 +1517,15 @@ local function AddCuts( sCutting, vFace, Proc, nRawId, b3Raw, dSawThick)
          EgtSetMachiningParam( MCH_MP.SCC, MCH_SCC.NONE)
          -- eseguo
          if not EgtApplyMachining( true, false) then
-            local _, sErr = EgtGetLastMachMgrError()
-            EgtSetOperationMode( nMchId, false)
-            return false, sErr
+            -- provo a invertire direzione e lato di lavoro
+            EgtSetMachiningParam( MCH_MP.INVERT, not bInvert)
+            EgtSetMachiningParam( MCH_MP.WORKSIDE, EgtIf( not bInvert, MCH_SAW_WS.LEFT, MCH_SAW_WS.RIGHT))
+            -- ri-eseguo
+            if not EgtApplyMachining( true, false) then
+               local _, sErr = EgtGetLastMachMgrError()
+               EgtSetOperationMode( nMchId, false)
+               return false, sErr
+            end
          end
          -- se limite lunghezza di taglio e taglio lo supera
          if WD.CUT_MAX_LENGTH and vFace[i].Len > WD.CUT_MAX_LENGTH then
@@ -1555,11 +1569,18 @@ local function MakeByCut( Proc, nRawId, b3Raw)
       end
       if vtExtr:getZ() < 0 then bNegZ = true end
    end
+   -- altezza massima delle facce
+   local dWidth = 0
+   for i = 1, Proc.Fct do
+      local _, _, dFctW = WL.GetFaceHvRefDim( Proc.Id, i - 1)
+      dWidth = max( dWidth, dFctW)
+   end
    -- lettura parametri (probabile/i parametro/i Q)
    local nConeCut = VerifyCornerType( Proc)
-   -- recupero la lavorazione di taglio con lama e i suoi parametri  
-   local sCutting, dSawDiam, dSawThick, dSawMaxDepth = WM.FindCutting( 'Standard')
+   -- recupero la lavorazione di taglio con lama e i suoi parametri (dapprima cerco quella che possa tagliare completamente)
+   local sCutting, dSawDiam, dSawThick, dSawMaxDepth = WM.FindCutting( 'Standard', dWidth)
    if not sCutting then
+      sCutting, dSawDiam, dSawThick, dSawMaxDepth = WM.FindCutting( 'Standard')
       local sErr = 'Error : cutting not found in library'
       EgtOutLog( sErr)
       return false, sErr
@@ -1767,7 +1788,7 @@ local function MakeByNail( Proc, nRawId, b3Raw)
       EgtSetMachiningParam( MCH_MP.TOOLINVERT, true)
    end
    -- assegno affondamento
-   EgtSetMachiningParam( MCH_MP.DEPTH, 2)
+   EgtSetMachiningParam( MCH_MP.DEPTH, 10)
    -- assegno lato di lavoro
    EgtSetMachiningParam( MCH_MP.WORKSIDE, MCH_MILL_WS.CENTER)
    -- eseguo
diff --git a/Process.lua b/Process.lua
index 1425ab3..9df416c 100644
--- a/Process.lua
+++ b/Process.lua
@@ -141,6 +141,8 @@ local function MyProcessInputData()
             vWall[i].PosX = vWall[i].PosX - vWall[i].Box:getDimX()
             if abs( dRotAng - 0) < GEO.EPS_ANG_SMALL then
                vWall[i].PosZ = vWall[i].PosZ - vWall[i].Box:getDimY()
+            elseif abs( dRotAng - 180) < GEO.EPS_ANG_SMALL or abs( dRotAng + 180) < GEO.EPS_ANG_SMALL then
+               vWall[i].PosX = vWall[i].PosX + vWall[i].Box:getDimX()
             end
          elseif abs( dInvAng - 270) < GEO.EPS_ANG_SMALL or abs( dInvAng + 90) < GEO.EPS_ANG_SMALL then
             if abs( dRotAng - 0) < GEO.EPS_ANG_SMALL then