diff --git a/LuaLibs/BeamExec.lua b/LuaLibs/BeamExec.lua
index a61c4c9..ec4a7c2 100644
--- a/LuaLibs/BeamExec.lua
+++ b/LuaLibs/BeamExec.lua
@@ -254,12 +254,15 @@ local function IsTailFeature( Proc, b3Raw, dCurrOvmH)
    if LapJoint.Identify( Proc) then
       return LapJoint.IsTailFeature( Proc, b3Raw)
    end
-   if RoundArch.Identify( Proc) then
-      return RoundArch.IsTailFeature( Proc, b3Raw)
-   end
    if Drill.Identify( Proc) then
       return Drill.IsTailFeature( Proc, b3Raw)
    end
+   if DtMortise.Identify( Proc) then
+      return DtMortise.IsTailFeature( Proc, b3Raw)
+   end
+   if RoundArch.Identify( Proc) then
+      return RoundArch.IsTailFeature( Proc, b3Raw)
+   end
    if FreeContour.Identify( Proc) then
       return FreeContour.IsTailFeature( Proc, b3Raw)
    end
diff --git a/LuaLibs/ProcessCut.lua b/LuaLibs/ProcessCut.lua
index a23a3e5..414b3ff 100644
--- a/LuaLibs/ProcessCut.lua
+++ b/LuaLibs/ProcessCut.lua
@@ -187,13 +187,13 @@ function ProcessCut.Make( Proc, nPhase, nRawId, nPartId, dOvmHead, bFromBottom)
       if Proc.Head then
          local dOffs = b3Raw:getMax():getX() - dOvmHead - Proc.Box:getMin():getX()
          if abs( vtN:getZ()) > 0.5 then
-            dOffs = dOffs / 2
+            dOffs = 0.4 * dOffs
          end
          BL.UpdateHCING( nRawId, dOffs)
       elseif Proc.Tail then
          local dOffs = Proc.Box:getMax():getX() - b3Solid:getMin():getX()
          if abs( vtN:getZ()) > 0.5 then
-            dOffs = dOffs / 2
+            dOffs = 0.4 * dOffs
          end
          BL.UpdateTCING( nRawId, dOffs)
       end
diff --git a/LuaLibs/ProcessDoubleCut.lua b/LuaLibs/ProcessDoubleCut.lua
index 6e3c9c9..8f24b11 100644
--- a/LuaLibs/ProcessDoubleCut.lua
+++ b/LuaLibs/ProcessDoubleCut.lua
@@ -188,7 +188,7 @@ function ProcessDoubleCut.Make( Proc, nPhase, nRawId, nPartId, dOvmHead)
    if Proc.Head then
       local dOffs = b3Raw:getMax():getX() - dOvmHead - Proc.Box:getMin():getX()
       if vtNm:getZ() > 0.5 then
-         dOffs = 0.5 * dOffs
+         dOffs = 0.4 * dOffs
       elseif abs( vtNm:getZ()) > 0.35 then
          dOffs = 0.75 * dOffs
       end
@@ -196,7 +196,7 @@ function ProcessDoubleCut.Make( Proc, nPhase, nRawId, nPartId, dOvmHead)
    elseif Proc.Tail then
       local dOffs = Proc.Box:getMax():getX() - b3Solid:getMin():getX()
       if vtNm:getZ() > 0.5 then
-         dOffs = 0.5 * dOffs
+         dOffs = 0.4 * dOffs
       elseif abs( vtNm:getZ()) > 0.35 then
          dOffs = 0.75 * dOffs
       end
diff --git a/LuaLibs/ProcessDtMortise.lua b/LuaLibs/ProcessDtMortise.lua
index dfec515..f2947a1 100644
--- a/LuaLibs/ProcessDtMortise.lua
+++ b/LuaLibs/ProcessDtMortise.lua
@@ -1,4 +1,4 @@
--- ProcessMortise.lua by Egaltech s.r.l. 2019/11/12
+-- ProcessMortise.lua by Egaltech s.r.l. 2020/01/16
 -- Gestione calcolo mortase a coda di rondice per Travi
 
 -- Tabella per definizione modulo
@@ -20,6 +20,16 @@ function ProcessDtMortise.Identify( Proc)
             (( Proc.Grp == 3 or Proc.Grp == 4)  and  Proc.Prc == 56))
 end
 
+---------------------------------------------------------------------
+-- Verifica se feature di coda
+function ProcessDtMortise.IsTailFeature( Proc, b3Raw)
+   -- verifico se è in coda
+   if Proc.Box:getMin():getX() > b3Raw:getMin():getX() + BD.MAX_DIST_HTFEA then
+      return false
+   end
+   return true
+end
+
 ---------------------------------------------------------------------
 -- Classificazione della feature
 function ProcessDtMortise.Classify( Proc)