diff --git a/CAMAuto/LuaLibs/WinExec.lua b/CAMAuto/LuaLibs/WinExec.lua
index f135465..7925591 100644
--- a/CAMAuto/LuaLibs/WinExec.lua
+++ b/CAMAuto/LuaLibs/WinExec.lua
@@ -539,7 +539,7 @@ function WinExec.ProcessFeatures( PARTS)
    local maxOffsetX = {}
    for i = 1, #PARTS do
       --maxOffsetX[i] = 99 - PARTS[i].RawOffset.dOverMatLeft - PARTS[i].OffsetPartToRaw.X
-      maxOffsetX[i] = 80
+      maxOffsetX[i] = 80 - PARTS[i].RawOffset.dOverMatLeft
    end
 
    for i = 1, #MACHININGS do
diff --git a/ManPrepMachGroups.lua b/ManPrepMachGroups.lua
index 9598e4f..860bb68 100644
--- a/ManPrepMachGroups.lua
+++ b/ManPrepMachGroups.lua
@@ -22,7 +22,7 @@ while nMachId do
    EgtRemoveMachGroup(nCurrMachId)
 end
 
--- scrivo parametri di comando
+-- scrivo parametri di comando (OPT_TYPE = PIECE, WINDOW, FULL_LIST)
 _G.WIN = { MACHINELIST = { 'Saomad-Just3500'},
            OPT_TYPE = 'WINDOW'}