diff --git a/EXE_MachMgr.cpp b/EXE_MachMgr.cpp
index 6109c6a..e33ac9a 100644
--- a/EXE_MachMgr.cpp
+++ b/EXE_MachMgr.cpp
@@ -689,6 +689,16 @@ ExeGetRawPartCenter( int nRawId, Point3d& ptCen)
    return pMachMgr->GetRawPartCenter( nRawId, ptCen) ;
 }
 
+//-----------------------------------------------------------------------------
+bool
+ExeGetRawPartBBox( int nRawId, BBox3d& b3Raw)
+{
+   IMachMgr* pMachMgr = GetCurrMachMgr() ;
+   VERIFY_MACHMGR( pMachMgr, false)
+  // recupero il bounding box del grezzo
+   return pMachMgr->GetRawPartBBox( nRawId, b3Raw) ;
+}
+
 //-----------------------------------------------------------------------------
 int
 ExeSplitFlatRawPartWithMachinings( int nRawId, const INTVECTOR& vMchId)
diff --git a/EXE_NstPartNesting.cpp b/EXE_NstPartNesting.cpp
index 99bd514..c464d0d 100644
--- a/EXE_NstPartNesting.cpp
+++ b/EXE_NstPartNesting.cpp
@@ -1409,7 +1409,7 @@ MyMovePartCluster( IGeomDB* pGeomDB, const INTVECTOR& vTrueIds, BBox3d b3Cluster
    }
 
   // Se movimento risultante nullo, non faccio alcunché
-   vtMoveXY = vtDir * ( dLen - EPS_SMALL) ;
+   vtMoveXY = vtDir * dLen ;
    if ( vtMoveXY.IsSmall())
       return true ;
 
diff --git a/LUA_MachMgr.cpp b/LUA_MachMgr.cpp
index 25e8fb9..237e3ef 100644
--- a/LUA_MachMgr.cpp
+++ b/LUA_MachMgr.cpp
@@ -616,7 +616,7 @@ LuaGetRawPartCenter( lua_State* L)
    int nRawId ;
    LuaCheckParam( L, 1, nRawId)
    LuaClearStack( L) ;
-  // traslo il grezzo
+  // recupero il centro del grezzo
    Point3d ptCen ;
    bool bOk = ExeGetRawPartCenter( nRawId, ptCen) ;
   // restituisco il risultato
@@ -627,6 +627,25 @@ LuaGetRawPartCenter( lua_State* L)
    return 1 ;
 }
 
+//-------------------------------------------------------------------------------
+static int
+LuaGetRawPartBBox( lua_State* L)
+{
+  // 1 parametro : nRawId
+   int nRawId ;
+   LuaCheckParam( L, 1, nRawId)
+   LuaClearStack( L) ;
+  // recupero il bounding box del grezzo
+   BBox3d b3Raw ;
+   bool bOk = ExeGetRawPartBBox( nRawId, b3Raw) ;
+  // restituisco il risultato
+   if ( bOk)
+      LuaSetParam( L, b3Raw) ;
+   else
+      LuaSetParam( L) ;
+   return 1 ;
+}
+
 //-------------------------------------------------------------------------------
 static int
 LuaSplitFlatRawPartWithMachinings( lua_State* L)
@@ -3172,6 +3191,7 @@ LuaInstallMachMgr( LuaMgr& luaMgr)
    bOk = bOk && luaMgr.RegisterFunction( "EgtMoveToCenterRawPart", LuaMoveToCenterRawPart) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtMoveRawPart", LuaMoveRawPart) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtGetRawPartCenter", LuaGetRawPartCenter) ;
+   bOk = bOk && luaMgr.RegisterFunction( "EgtGetRawPartBBox", LuaGetRawPartBBox) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtSplitFlatRawPartWithMachinings", LuaSplitFlatRawPartWithMachinings) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtGetPartInRawPartCount", LuaGetPartInRawPartCount) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtGetFirstPartInRawPart", LuaGetFirstPartInRawPart) ;