diff --git a/LuaLibs/WProcessFreeContour.lua b/LuaLibs/WProcessFreeContour.lua
index 6ea1414..09148ee 100644
--- a/LuaLibs/WProcessFreeContour.lua
+++ b/LuaLibs/WProcessFreeContour.lua
@@ -1,4 +1,4 @@
--- ProcessFreeContour.lua by Egaltech s.r.l. 2021/07/29
+-- ProcessFreeContour.lua by Egaltech s.r.l. 2021/01/08
 -- Gestione calcolo profilo libero per Pareti
 
 -- Tabella per definizione modulo
@@ -1234,8 +1234,9 @@ local function AddMillings( sMilling, vFace, Proc, nRawId, b3Raw, nConeCut, nAdd
                end
             end
             -- se lavorazione completa su faccia finale
-            if LastJ and vFace[LastJ].Type == 4 then
-               local OrigK = EgtIf( LastJ < #vFace, LastJ + 1, EgtIf( bClosed, 1, nil))
+            local LastFace = ( LastJ or OrigI)
+            if vFace[LastFace].Type == 4 then
+               local OrigK = EgtIf( LastFace < #vFace, LastFace + 1, EgtIf( bClosed, 1, nil))
                if OrigK and vFace[OrigK].PrevAng < -30 then
                   dEal = -dMillDiam / 2
                end
@@ -1250,8 +1251,8 @@ local function AddMillings( sMilling, vFace, Proc, nRawId, b3Raw, nConeCut, nAdd
                dEal = -dMillDiam / 2
             end
          end
-         -- se non devo scaricare l'angolo
-         if nConeCut <= 1 then 
+         -- se non devo scaricare l'angolo o la faccia è inclinata
+         if nConeCut <= 1 or abs( vFace[OrigI].SideAng) > 0.1 then 
             EgtSetMachiningGeometry( vGeom)
             EgtSetMachiningParam( MCH_MP.STARTADDLEN, dSal)
             EgtSetMachiningParam( MCH_MP.ENDADDLEN, dEal)
@@ -1306,10 +1307,7 @@ local function AddMillings( sMilling, vFace, Proc, nRawId, b3Raw, nConeCut, nAdd
             EgtSetMachiningParam( MCH_MP.ENDADDLEN, dEal)
             -- percorso da non invertire
             EgtSetMachiningParam( MCH_MP.INVERT, false)
-            -- assegno utilizzo faccia
-            EgtSetMachiningParam( MCH_MP.FACEUSE, MCH_MILL_FU.PARAL_DOWN)
             -- assegno affondamento
---            EgtSetMachiningParam( MCH_MP.DEPTH, dDepth)
             if bNotThrou then
                EgtSetMachiningParam( MCH_MP.DEPTH, ( dDepth - dOriDepth))
             else