diff --git a/LuaLibs/BeamLib.lua b/LuaLibs/BeamLib.lua
index 25e85e1..ee66572 100644
--- a/LuaLibs/BeamLib.lua
+++ b/LuaLibs/BeamLib.lua
@@ -698,17 +698,19 @@ function BeamLib.GetFaceHvRefDim( nSurfId, nFacet, b3Raw)
    local b3HV = EgtSurfTmGetFacetBBoxRef( nSurfId, nFacet, GDB_BB.STANDARD, frHV)
    local dDimH = b3HV:getDimX()
    local dDimV = b3HV:getDimY()
+
+   -- Si mantiene rettangolo minimo perchè in alcuni casi andava in collisione. Lascio il calcolo in caso si debba ripristinare.
    -- se definito grezzo (o solido), applico eventuali limiti
-   if b3Raw then
-      local dCoeffY = abs( frHV:getVersX():getY())
-      if dCoeffY > GEO.EPS_SMALL then
-         dDimH = min( dDimH, b3Raw:getDimY() / dCoeffY)
-      end
-      local dCoeffZ = abs( frHV:getVersY():getZ())
-      if dCoeffZ > GEO.EPS_SMALL then
-         dDimV = min( dDimV, b3Raw:getDimZ() / dCoeffZ)
-      end
-   end
+   -- if b3Raw then
+   --    local dCoeffY = abs( frHV:getVersX():getY())
+   --    if dCoeffY > GEO.EPS_SMALL then
+   --       dDimH = min( dDimH, b3Raw:getDimY() / dCoeffY)
+   --    end
+   --    local dCoeffZ = abs( frHV:getVersY():getZ())
+   --    if dCoeffZ > GEO.EPS_SMALL then
+   --       dDimV = min( dDimV, b3Raw:getDimZ() / dCoeffZ)
+   --    end
+   -- end
    -- restituisco i valori calcolati
    return frHV, dDimH, dDimV
 end
diff --git a/LuaLibs/ProcessCut.lua b/LuaLibs/ProcessCut.lua
index 1777de0..1cb7a62 100644
--- a/LuaLibs/ProcessCut.lua
+++ b/LuaLibs/ProcessCut.lua
@@ -379,7 +379,9 @@ local function MakeFromTop( sCutting, Proc, nPhase, nRawId, nPartId, dOvmHead, b
    local vCuts = {}
    local dDicingOffsetP
    local dDicingOffsetO
-   if ( ( not Proc.AdvTail) or bForceDicing) and ( dCutH > dMaxDepth - BD.CUT_EXTRA - 3 * BD.COLL_SIC or dCutV > dMaxVertDepth - BD.CUT_EXTRA - 3 * BD.COLL_SIC) then
+   if ( ( not Proc.AdvTail) or bForceDicing) and
+        ( dCutH - 100 * GEO.EPS_SMALL > dMaxDepth - BD.CUT_EXTRA - 3 * BD.COLL_SIC or
+          dCutV - 100 * GEO.EPS_SMALL > dMaxVertDepth - BD.CUT_EXTRA - 3 * BD.COLL_SIC) then
       local ptExtra, vtExtra
       local bAutoCalcSurf = true
       if Proc.AdvTail then
diff --git a/LuaLibs/ProcessSplit.lua b/LuaLibs/ProcessSplit.lua
index d50cbca..8f68f7b 100644
--- a/LuaLibs/ProcessSplit.lua
+++ b/LuaLibs/ProcessSplit.lua
@@ -662,7 +662,7 @@ function ProcessSplit.Make( Proc, nPhase, nRawId, nPartId, nOrd, sDownOrSideOrSt
    local dMinTailScrapForAdditionalCuts = 10.123
    local bNeedVerticalAddedCuts = not bSplit and ( Proc.Face[1].WidthTrimmed > BD.MAX_LEN_DICE) and ( dLenEndRaw > dMinTailScrapForAdditionalCuts - 10 * GEO.EPS_SMALL)
    local bNeedHorizontalAddedCuts = not bSplit and not bBigSectionCut and
-                                    ( Proc.Face[1].HeightTrimmed > ( BD.MIN_HEIGHT_ADDED_CUTS or BD.MAX_LEN_DICE)) and
+                                    ( Proc.Face[1].HeightTrimmed > ( BD.MIN_HEIGHT_ADDED_CUTS or BD.MAX_LEN_DICE) + 100 * GEO.EPS_SMALL) and
                                     ( dLenEndRaw > dMinTailScrapForAdditionalCuts - 10 * GEO.EPS_SMALL) and
                                     dOffsL < BD.MAX_DIM_DICE
    -- dati lavorazioni sopra e sotto