diff --git a/Profiles/WinLib/WinCalculate.lua b/Profiles/WinLib/WinCalculate.lua
index a15d934..66e54e4 100644
--- a/Profiles/WinLib/WinCalculate.lua
+++ b/Profiles/WinLib/WinCalculate.lua
@@ -21,6 +21,7 @@ require( 'EgtBase')
 require( 'WinConst')
 
 local s_dDowelTol = 1
+local s_nSashNbr = 0   -- contatore delle ante per assegnare nomi
 
 local s_bCalcSolid = false
 function WinCalculate.GetCalcSolid()
@@ -1861,6 +1862,12 @@ local function CalcProfilingProcessings( nPartId, nOutlineId)
    local nProfileLayerId = EgtGetFirstNameInGroup( nPartId, WIN_PROFILE)
    local nMainProfileId = EgtGetFirstNameInGroup( nProfileLayerId, WIN_PRF_MAIN)
    
+   -- recupero le info di sovramateriale dal profilo
+   CopyInfo( nPartId, nMainProfileId, WIN_PRC_OVERMAT_IN, 0)
+   CopyInfo( nPartId, nMainProfileId, WIN_PRC_OVERMAT_OUT, 0)
+   CopyInfo( nPartId, nMainProfileId, WIN_PRC_OVERMAT_LEFT, 0)
+   CopyInfo( nPartId, nMainProfileId, WIN_PRC_OVERMAT_RIGHT, 0)
+   
    -- calcolo lavorazioni dei profili
    local bChangeProfile = EgtGetInfo( nOutlineId, WIN_PRF_CHANGE, 'b') or false
    if bChangeProfile then
@@ -3053,20 +3060,11 @@ local function CalcPartName( nAreaId, nAreaType)
    
    local sName = ''
    if nAreaType == WIN_AREATYPES.FRAME then
-      sName = WIN_FRAME .. '_'
+      sName = WIN_FRAME
       EgtSetInfo( nAreaId, WIN_AREA_NAME, sName)
    elseif nAreaType == WIN_AREATYPES.SASH then
-      -- risalgo nella gerarchia per individuare la catena di sottoaree
-      local nParentId = EgtGetParent( nAreaId)
-      local nParentType = EgtGetInfo( nParentId, WIN_AREATYPE, 'i')
-      while nParentType ~= WIN_AREATYPES.FRAME do
-         local sParentName = EgtGetName( nParentId)
-         local _, sParentNbr = EgtStartsWith( sParentName, WIN_AREA)
-         sName = sParentNbr .. '_'.. sName
-         nParentId = EgtGetParent( nParentId)
-         nParentType = EgtGetInfo( nParentId, WIN_AREATYPE, 'i')
-      end
-      sName = WIN_SASH .. '_'.. sName
+      s_nSashNbr = s_nSashNbr + 1
+      sName = WIN_SASH .. '_'.. tostring( s_nSashNbr)
       EgtSetInfo( nAreaId, WIN_AREA_NAME, sName)
    else
       -- per split o riempimento devo ricavare il nome del parent che lo contiene
@@ -3107,7 +3105,7 @@ local function CreatePartFromOutline( nAreaLayerId, sName, nOutlineId, nOutlineC
 
       -- imposto nome del pezzo
       local sOutlineName = EgtIf( bBottomRail, WIN_BOTTOMRAIL, EgtGetName( nOutlineId))
-      local sPartName = sName .. sOutlineName
+      local sPartName = sName .. '_' .. sOutlineName
       EgtSetName( nPartId, sPartName)
       
       -- imposto il colore
@@ -3119,12 +3117,6 @@ local function CreatePartFromOutline( nAreaLayerId, sName, nOutlineId, nOutlineC
          EgtSetColor( nPartId, Color3d( 255, 159, 57))
       end
       
-      -- setto le info di sovramateriale ( TO DO : capire da dove devono essere ricavate)
-      EgtSetInfo( nPartId, WIN_PRC_OVERMAT_IN, 0)
-      EgtSetInfo( nPartId, WIN_PRC_OVERMAT_OUT, 0)
-      EgtSetInfo( nPartId, WIN_PRC_OVERMAT_LEFT, 0)
-      EgtSetInfo( nPartId, WIN_PRC_OVERMAT_RIGHT, 0)
-
       -- ricavo il tipo di profilo
       local nProfileType = GetOutlineProfileType( nOutlineId, bBottomRail)
       -- disegno ingombro
@@ -3146,7 +3138,7 @@ local function CreatePartFromOutline( nAreaLayerId, sName, nOutlineId, nOutlineC
    -- b) Fill
    elseif nAreaType == WIN_AREATYPES.FILL then
       -- imposto nome del pezzo
-      EgtSetName( nPartId, sName .. WIN_FILL)
+      EgtSetName( nPartId, sName .. '_' .. WIN_FILL)
       
       -- ricavo tipo
       local nFillType = EgtGetInfo( nAreaLayerId, WIN_FILLTYPE, 'i')
@@ -3860,6 +3852,7 @@ function WinCalculate.CreatePartFromArea( nFrameId)
    -- calcolo outline a partire dal base outline
    CalculateAreaOutline( nFrameId)
    -- creo pezzi
+   s_nSashNbr = 0    -- resetto il numero di ante del progetto
    CalculateAreaParts( nFrameId)
    -- calcolo le spine
    CalculateAreaDowels( nFrameId)