diff --git a/Designing/Main.lua b/Designing/Main.lua
index c37aedc..022c7cb 100644
--- a/Designing/Main.lua
+++ b/Designing/Main.lua
@@ -64,15 +64,15 @@ local SashJointType = WIN_JNT.FULL_V
 local vSashJoints = { SashJointType, SashJointType, SashJointType, SashJointType}
 
 -- local nFrameId = WinCreate.CreateFrame( WIN_FRAME_TYPES.RECT, vFrameJoints, WindowWidth, WindowHeight)
- local nFrameId = WinCreate.CreateFrame( WIN_FRAME_TYPES.CHAMFER_SIDE, vFrameJoints, WindowWidth, WindowHeight, WindowHeight + 500)
+-- local nFrameId = WinCreate.CreateFrame( WIN_FRAME_TYPES.CHAMFER_SIDE, vFrameJoints, WindowWidth, WindowHeight, WindowHeight + 500)
 -- local nFrameId = WinCreate.CreateFrame( WIN_FRAME_TYPES.CHAMFER_SIDE, vFrameJoints, WindowWidth, WindowHeight + 500, WindowHeight)
 -- local nFrameId = WinCreate.CreateFrame( WIN_FRAME_TYPES.ROUND_ARC, vFrameJoints, WindowWidth, WindowHeight)
 -- local nFrameId = WinCreate.CreateFrame( WIN_FRAME_TYPES.SEGMENTAL_ARC, { FrameJointType, FrameJointType, FrameJointType, FrameJointType}, 1500, 1800, 2200)
 -- local nFrameId = WinCreate.CreateFrame( WIN_FRAME_TYPES.CHAMFER, { FrameJointType, FrameJointType, FrameJointType, FrameJointType, FrameJointType}, WindowWidth, WindowHeight, WindowHeight + 500)
--- local nFrameId = WinCreate.CreateFrame( WIN_FRAME_TYPES.POINTED_ARC, { FrameJointType, FrameJointType, FrameJointType, FrameJointType, FrameJointType}, 900, 1500, 2100)
+ local nFrameId = WinCreate.CreateFrame( WIN_FRAME_TYPES.POINTED_ARC, { FrameJointType, FrameJointType, FrameJointType, FrameJointType, FrameJointType}, 900, 1500, 2100)
 
 ------------------------ Aggiunta split a griglia ------------------------
- WinCreate.AddGridSplits( nFrameId, WIN_MEASURE.ABSOLUT, { 900, 900}, {500, 500}, false)
+ WinCreate.AddGridSplits( nFrameId, WIN_MEASURE.ABSOLUT, {100, 300, 100, 300}, {500, 600, 850}, false)
 -- WinCreate.AddGridSplits( nFrameId, WIN_MEASURE.PERCENTAGE, {0.33, 0.33}, {0.3, 0.3}, true)
 -- WinCreate.AddGridSplits( nFrameId, WIN_MEASURE.PROPORTIONAL, {2, 1, 1, 1}, {1, 2, 1, 2, 1}, true)
 
diff --git a/Designing/WinLib/WinCreate.lua b/Designing/WinLib/WinCreate.lua
index 025e2bc..f756de5 100644
--- a/Designing/WinLib/WinCreate.lua
+++ b/Designing/WinLib/WinCreate.lua
@@ -276,6 +276,10 @@ function WinCreate.AddSplit( nAreaLayerId, SplitType, MeasureType, nPosition, nP
       elseif MeasureType == WIN_MEASURE.PERCENTAGE then
          nCalcPosition = b3OutlineLayer:getDimX() * nPosition
       end
+      if nCalcPosition > b3OutlineLayer:getDimX() - GEO.EPS_SMALL then
+         EgtErase( nTempSplitLayerId)
+         return
+      end
       nTotSplitId = EgtLine( nTempSplitLayerId, b3OutlineLayer:getMin() + X_AX() * nCalcPosition, b3OutlineLayer:getMin() + X_AX() * nCalcPosition + Y_AX() * b3OutlineLayer:getDimY())
    elseif SplitType == WIN_SPLITORIENTATION.HORIZONTAL then
       -- creo linea
@@ -310,9 +314,11 @@ function WinCreate.AddSplits( nAreaLayerId, SplitType, MeasureType, PositionList
          if nIndex > 1 then
             EgtSetInfo( nResArea2, WIN_PRJ_ORIGSPLIT, nAreaLayerId)
          end
+         local nCurrentResArea2 = nResArea2
          nResArea1, nResArea2 = WinCreate.AddSplit( nResArea2, SplitType, MeasureType, PositionList[nIndex], nProportion, nSplitType)
          if not nResArea2 then
-            return
+            table.insert( AreaList, nCurrentResArea2)
+            break
          end
          table.insert( AreaList, nResArea1)
          if nIndex == #PositionList then
@@ -327,9 +333,11 @@ function WinCreate.AddSplits( nAreaLayerId, SplitType, MeasureType, PositionList
          if nIndex > 1 then
             EgtSetInfo( nResArea2, WIN_PRJ_ORIGSPLIT, nAreaLayerId)
          end
+         local nCurrentResArea2 = nResArea2
          nResArea1, nResArea2 = WinCreate.AddSplit( nResArea2, SplitType, MeasureType, PositionList[nIndex], nProportion - dAddPosition, nSplitType)
          if not nResArea2 then
-            return
+            table.insert( AreaList, nCurrentResArea2)
+            break
          end
          table.insert( AreaList, nResArea1)
          if nIndex == #PositionList -1  then
@@ -347,9 +355,11 @@ function WinCreate.AddSplits( nAreaLayerId, SplitType, MeasureType, PositionList
             EgtSetInfo( nResArea2, WIN_PRJ_ORIGSPLIT, nAreaLayerId)
             sChildAreas = sChildAreas .. nResArea2 .. EgtIf( nIndex < #PositionList, ',', '')
          end
+         local nCurrentResArea2 = nResArea2
          nResArea1, nResArea2 = WinCreate.AddSplit( nResArea2, SplitType, MeasureType, EgtIf( nIndex == 1, PositionList[nIndex], PositionList[nIndex] / ( 1 - dAddPosition)), nProportion, nSplitType)
          if not nResArea2 then
-            return
+            table.insert( AreaList, nCurrentResArea2)
+            break
          end
          table.insert( AreaList, nResArea1)
          if nIndex == #PositionList then
@@ -376,11 +386,12 @@ function WinCreate.AddGridSplits( nAreaLayerId, MeasureType, PositionListVert, P
          nProportionHoriz = nProportionHoriz + PositionListHoriz[i]
       end
    end
+   -- recupero contorno area precedente
+   local nOutlineLayerId = EgtGetFirstNameInGroup( nAreaLayerId, WIN_AREAOUTLINE)
+   local b3OutlineLayer = EgtGetBBox( nOutlineLayerId, GDB_BB.STANDARD)
    if bStartVertical then
       local AreaList = WinCreate.AddSplits( nAreaLayerId, WIN_SPLITORIENTATION.VERTICAL, MeasureType, PositionListVert, nProportionVert, nSplitType)
-      -- recupero contorno area precedente
-      local nOutlineLayerId = EgtGetFirstNameInGroup( nAreaLayerId, WIN_AREAOUTLINE)
-      local b3OutlineLayer = EgtGetBBox( nOutlineLayerId, GDB_BB.STANDARD)
+      -- calcolo gli split orizzontali
       local HorizAbs = {}
       local dPositionCum = 0
       for i = 1, #PositionListHoriz do
@@ -403,6 +414,25 @@ function WinCreate.AddGridSplits( nAreaLayerId, MeasureType, PositionListVert, P
    else
       local AreaList = WinCreate.AddSplits( nAreaLayerId, WIN_SPLITORIENTATION.HORIZONTAL, MeasureType, PositionListHoriz, nProportionHoriz, nSplitType)
       for i = 1, #AreaList do
+         -- recupero contorno area corrente
+         local nCurrentOutlineLayerId = EgtGetFirstNameInGroup( AreaList[i], WIN_AREAOUTLINE)
+         local b3CurrentOutlineLayer = EgtGetBBox( nCurrentOutlineLayerId, GDB_BB.STANDARD)
+         local dDiff = b3OutlineLayer:getMin():getX() -  b3CurrentOutlineLayer:getMin():getX()
+         if dDiff < - GEO.EPS_SMALL then
+            local nFirstIndex = #PositionListVert + 1
+            for k = 1, #PositionListVert do
+               if PositionListVert[k] + dDiff > GEO.EPS_SMALL then
+                  PositionListVert[k] = PositionListVert[k] + dDiff
+                  nFirstIndex = k
+                  break
+               elseif k ~= #PositionListVert then
+                  PositionListVert[k + 1] = PositionListVert[k] + PositionListVert[k + 1]
+               end
+            end
+            for k = 1, nFirstIndex - 1 do
+               table.remove( PositionListVert, 1)
+            end
+         end
          local AreaTemp = WinCreate.AddSplits( AreaList[i], WIN_SPLITORIENTATION.VERTICAL, MeasureType, PositionListVert, nProportionVert, nSplitType) or {}
          for j = 1, #AreaTemp do
             table.insert( AreaResult, AreaTemp[j])
diff --git a/Designing/WinOpenProjectFile.lua b/Designing/WinOpenProjectFile.lua
index d2a296b..cb6ecb8 100644
--- a/Designing/WinOpenProjectFile.lua
+++ b/Designing/WinOpenProjectFile.lua
@@ -15,7 +15,7 @@
 
 require( 'EgtBase')
 _ENV = EgtProtectGlobal()
-EgtEnableDebug( false)
+EgtEnableDebug( true)
 
 -- Imposto direttorio per librerie
 local sBaseDir = EgtGetSourceDir()