diff --git a/NestProcess.lua b/NestProcess.lua
index 47228ca..f2bc7be 100644
--- a/NestProcess.lua
+++ b/NestProcess.lua
@@ -556,16 +556,28 @@ while true do
    end
 end
 
--- Spostamento travi verso la testa della barra
--- TODO vedere se integrabile in creazione MachGroup
+-- creazione MachGroup e Duplo
 for i = 1, #RawInventory.ActiveBeams do
-   local Beam = RawInventory.ActiveBeams[i]
    local dOffset = NEST.STARTOFFSET or 0
+   local Beam = RawInventory.ActiveBeams[i]
 
-   for j = 1, #Beam.NestedParts do
+   -- creazione MachGroup
+   local sMachGroup = EgtGetMachGroupNewName( i)
+   local idMachGroup = EgtAddMachGroup( sMachGroup)
+
+   -- assegnazione info
+   EgtSetInfo( idMachGroup, "BARLEN", Beam.dTotalLength)
+   EgtSetInfo( idMachGroup, "MATERIAL", NEST.MATERIAL)
+   EgtSetInfo( idMachGroup, "AUTONEST", 1)
+   EgtSetInfo( idMachGroup, "PRODID", NEST.PRODID)
+   EgtSetInfo( idMachGroup, "PATTID", idMachGroup)
+
+   -- Spostamento pezzi verso la testa della barra e aggiunta duplo
+   for j = 1, Beam.NestedParts do
       local Part = Beam.NestedParts[j]
-
       Part.dPosX = Part.dPosX - Beam.dResidualLength + dOffset
+      local idDuplo = EgtDuploNew( Part.id)
+      EgtSetInfo( idMachGroup, "PART" .. j, idDuplo .. "," .. Part.dPosX)
    end
 end