diff --git a/NestFlipAndRotate.lua b/NestFlipAndRotate.lua
index 45be4a1..47c94bc 100644
--- a/NestFlipAndRotate.lua
+++ b/NestFlipAndRotate.lua
@@ -157,9 +157,9 @@ local bManualRot = EgtGetInfo( NFAR.PARTID, "MANUALROT", 'b')
 
 -- FLIP
 local FlipFeatureStates, bLapJoints = ClassifyFlip( vPartProc, b3Part)
+local bFlip
 
 if not bManualFlip then
-   local bFlip
    -- analizzo stati flip delle feature
    local nFlip0Min = 100
    local nFlip0Cnt = 0
@@ -440,7 +440,7 @@ if not bManualRot then
    -- setto info nel pezzo
    if nRotate > 0 then
       local nPartRot = EgtGetInfo( NFAR.PARTID, "ROTATED", 'i') or 0
-      local nTotRot = nPartRot - nRotate
+      local nTotRot = nPartRot - EgtIf( bFlip, -nRotate, nRotate)
       nTotRot = EgtIf( nTotRot < 0, nTotRot + 360, nTotRot)
       EgtSetInfo( NFAR.PARTID, "ROTATED", nTotRot)
       EgtSetInfo( NFAR.PARTID, "FLIPROTMODIFIED", 1)
diff --git a/NestProcess.lua b/NestProcess.lua
index ba4d064..2e12443 100644
--- a/NestProcess.lua
+++ b/NestProcess.lua
@@ -1128,9 +1128,10 @@ local function ClassifyAngles( nPartId, RawPart, sRefOrig, bLockedRot, dMinSheet
    if nRotate >= 360 then
       nRotate = nRotate - 360
    end   
-   if nRotate > 0 then 
+   if nRotate > 0 then
+      local bPartFlip = ( ( EgtGetInfo( nPartId, "INVERTED", 'i') or 0) == 180)
       local nPartRot = EgtGetInfo( nPartId, "ROTATED", 'i') or 0
-      local nTotRot = nPartRot - nRotate
+      local nTotRot = nPartRot - EgtIf( bPartFlip, -nRotate, nRotate)
       nTotRot = EgtIf( nTotRot < 0, nTotRot + 360, nTotRot)  
       EgtSetInfo( nPartId, "ROTATED", nTotRot)
       EgtSetInfo( nPartId, "MODIFIEDFORNEST", 1)
@@ -1325,8 +1326,9 @@ local function ComputeRestrictedZones( RawParts)
                            bOnOppositeSide = true 
                            -- aggiorno le info di rotazione
                            if res.nRotate > 0 then
+                              local bPartFlip = ( ( EgtGetInfo( AngleClassification[nInd].PartId, "INVERTED", 'i') or 0) == 180)
                               local nPartRot = EgtGetInfo( AngleClassification[nInd].PartId, "ROTATED", 'i') or 0
-                              local nTotRot = nPartRot - res.nRotate
+                              local nTotRot = nPartRot - EgtIf( bPartFlip, -res.nRotate, res.nRotate)
                               nTotRot = EgtIf( nTotRot < 0, nTotRot + 360, nTotRot)    
                               EgtSetInfo( AngleClassification[nInd].PartId, "ROTATED", nTotRot)
                               EgtSetInfo( AngleClassification[nInd].PartId, "MODIFIEDFORNEST", 1)
@@ -1507,7 +1509,6 @@ local function AddParts(RawParts, vPartsDoneManually)
          bRotNest = false
       elseif EgtExistsInfo( nPartId, "NestRot") then 
          nStepRotNest = EgtGetInfo( nPartId, "NestStepRot", 'i')
-         nRotate = EgtGetInfo( nPartId, "NestRot", 'i')
          bRotNest = EgtGetInfo( nPartId, "NestAllowRot", 'b')
          -- verifico se rotazione è valida (pezzo è contenuto nel grezzo)
          local bValidRotationInRaw = b3Part:getDimX() < RawParts[1].Len - 2 * NEST.KERF + GEO.EPS_SMALL and b3Part:getDimY() < dRawMaxWidth - 2 * NEST.KERF + GEO.EPS_SMALL
@@ -1884,15 +1885,21 @@ if bNestingOk then
                EgtSetInfo( nPartDuploId, "POSX", ptPos:getX() + dXCorr)
                EgtSetInfo( nPartDuploId, "POSY", ptPos:getY() + dYCorr)
                
-               local nPartRot = EgtGetInfo( nId, "ROTATED", 'i') or 0
-               local nTotRot = dAngRot - nPartRot
-               nTotRot = EgtIf( nTotRot < 0, nTotRot + 360, nTotRot)
-               EgtSetInfo( nPartDuploId, "ROT", nTotRot)
-               
-               local nPartFlip = EgtGetInfo( nId, "INVERTED", 'i')
+               local nPartFlip = EgtGetInfo( nId, "INVERTED", 'i') or 0
                nPartFlip = EgtIf( nPartFlip == 180, 1, 0)
                local nTotFlip = EgtIf( nPartFlip ~= nFlag, 180, 0)
                EgtSetInfo( nPartDuploId, "FLIP", nTotFlip)
+               
+               local bPartFlip = ( ( EgtGetInfo( nId, "INVERTED", 'i') or 0) == 180)
+               local nPartRot = EgtGetInfo( nId, "ROTATED", 'i') or 0
+               local nTotRot = nPartRot - EgtIf( bPartFlip, -dAngRot, dAngRot)
+               if nTotRot < 0 then
+                  nTotRot = nTotRot + 360
+               elseif nTotRot >= 360 then
+                  nTotRot = nTotRot - 360
+               end
+               EgtSetInfo( nPartDuploId, "ROT", nTotRot)
+            
             end
          end
       end