diff --git a/EgtInterface.vb b/EgtInterface.vb
index 5d9ad62..a738015 100644
--- a/EgtInterface.vb
+++ b/EgtInterface.vb
@@ -6,6 +6,14 @@ Structure Point3d
    Dim x, y, z As Double
 End Structure
 
+Structure Vector3d
+   Dim x, y, z As Double
+End Structure
+
+Structure Color
+   Dim R, G, B, A As Integer
+End Structure
+
 #If PLATFORM = "x64" Then
 #If DEBUG Then
 Const EgtIntDll As String = "EgtInterfaceD64.dll"
@@ -351,17 +359,42 @@ Public Shared Function EgtUnProjectPoint(ByVal nCtx As Integer, ByVal Curr As Po
 End Function
 
 
-'TscExecutor
+'Tsc Executor
 <DllImport(EgtIntDll, CharSet:=CharSet.Unicode)>
 Public Shared Function EgtInitTscExec(ByVal nCtx As Integer) As Boolean
 End Function
 
 <DllImport(EgtIntDll, CharSet:=CharSet.Unicode)>
-Public Shared Function EgtTscFileExec(ByVal nCtx As Integer, ByVal sFilePath As String) As Boolean
+Public Shared Function EgtTscExecFile(ByVal nCtx As Integer, ByVal sFilePath As String) As Boolean
 End Function
 
 <DllImport(EgtIntDll, CharSet:=CharSet.Unicode)>
-Public Shared Function EgtTscLineExec(ByVal nCtx As Integer, ByVal sLine As String) As Boolean
+Public Shared Function EgtTscExecLine(ByVal nCtx As Integer, ByVal sLine As String) As Boolean
+End Function
+
+
+'LUA Executor
+<DllImport(EgtIntDll, CharSet:=CharSet.Unicode)>
+Public Shared Function EgtLuaSetContext(ByVal nCtx As Integer) As Boolean
+End Function
+
+<DllImport(EgtIntDll, CharSet:=CharSet.Unicode)>
+Public Shared Function EgtLuaExecFile(ByVal sFilePath As String) As Boolean
+End Function
+
+<DllImport(EgtIntDll, CharSet:=CharSet.Unicode)>
+Public Shared Function EgtLuaExecLine(ByVal sLine As String) As Boolean
+End Function
+
+<DllImport(EgtIntDll, CharSet:=CharSet.Unicode)>
+Private Shared Function EgtLuaGetLastError(ByRef psError As IntPtr) As Boolean
+End Function
+Public Shared Function EgtLuaGetLastError(ByRef sError As String) As Boolean
+   Dim psError As IntPtr
+   Dim bOk As Boolean = EgtLuaGetLastError(psError)
+   sError = Marshal.PtrToStringUni(psError)
+   EgtFreeMemory(psError)
+   Return bOk
 End Function
 
 
diff --git a/Form1.vb b/Form1.vb
index 27f09d2..c9b11a7 100644
--- a/Form1.vb
+++ b/Form1.vb
@@ -228,7 +228,7 @@ Public Class Form1
             ' ripristino stato oggetto marcato
             Dim nIdOld As Integer = RevertOldIdInObjTree()
             ' eseguo comando
-            If EgtTscLineExec(Scene1.GetCtx, sCmd) Then
+            If EgtTscExecLine(Scene1.GetCtx, sCmd) Then
                Scene1.Invalidate()
                ToolStripStatusLabel3.Text = "   "
             Else
diff --git a/My Project/AssemblyInfo.vb b/My Project/AssemblyInfo.vb
index fffc2e2..a2dbd9e 100644
--- a/My Project/AssemblyInfo.vb	
+++ b/My Project/AssemblyInfo.vb	
@@ -43,5 +43,5 @@ Imports System.Runtime.InteropServices
 ' utilizzando l'asterisco (*) come descritto di seguito:
 ' <Assembly: AssemblyVersion("1.0.*")> 
 
-<Assembly: AssemblyVersion("1.5.9.2")> 
-<Assembly: AssemblyFileVersion("1.5.9.2")> 
+<Assembly: AssemblyVersion("1.5.9.5")> 
+<Assembly: AssemblyFileVersion("1.5.9.5")> 
diff --git a/Scene.vb b/Scene.vb
index 46a3007..fca971a 100644
--- a/Scene.vb
+++ b/Scene.vb
@@ -1,4 +1,5 @@
 Imports System.Math
+Imports System.IO
 Imports System.Globalization
 Imports TestEIn.EgtInterface
 
@@ -386,22 +387,38 @@ Public Class Scene
    Public Function Exec()
       'Scelta file con dialogo
       Dim OpenFileDialog As New OpenFileDialog
-      OpenFileDialog.Title = "Exec TSC"
-      OpenFileDialog.Filter = "Test commands(*.tsc)|*.tsc"
-      OpenFileDialog.FilterIndex = 1
+      OpenFileDialog.Title = "Exec Script"
+      OpenFileDialog.Filter = "Lua commands(*.lua)|*.lua" &
+                              "|Test commands(*.tsc)|*.tsc" &
+                              "|All Files (*.*)|*.*"
       If OpenFileDialog.ShowDialog <> Windows.Forms.DialogResult.OK Then
          Return True
       End If
+      'Ne verifico il tipo
+      Dim sExt As String = UCase(Path.GetExtension(OpenFileDialog.FileName))
+      If (sExt <> ".LUA" And sExt <> ".TSC") Then
+         MessageBox.Show("Script type unknow", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error)
+         Return False
+      End If
       'Prima dell'esecuzione
       RaiseEvent OnExecutingScript(Me, OpenFileDialog.FileName)
       'Esecuzione
       Cursor = Cursors.WaitCursor
-      Dim bOk As Boolean = EgtTscFileExec(m_nGseContext, OpenFileDialog.FileName)
+      Dim bOk As Boolean = False
+      If (sExt = ".LUA") Then
+         bOk = EgtLuaExecFile(OpenFileDialog.FileName)
+      Else
+         bOk = EgtTscExecFile(m_nGseContext, OpenFileDialog.FileName)
+      End If
       EgtZoom(m_nGseContext, ZM_ALL)
       Cursor = Cursors.Default
       'Gestione risultato
       If bOk Then
          RaiseEvent OnExecutedScript(Me)
+      ElseIf (sExt = ".LUA") Then
+         Dim sError As String = String.Empty
+         EgtLuaGetLastError(sError)
+         MessageBox.Show(sError, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error)
       Else
          MessageBox.Show("Error executing file", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error)
       End If