diff --git a/Pilz.Drawing.Drawing3D.OpenGLRenderer/Preview/ModelPreview.vb b/Pilz.Drawing.Drawing3D.OpenGLRenderer/Preview/ModelPreview.vb
index 098b362..3e96022 100644
--- a/Pilz.Drawing.Drawing3D.OpenGLRenderer/Preview/ModelPreview.vb
+++ b/Pilz.Drawing.Drawing3D.OpenGLRenderer/Preview/ModelPreview.vb
@@ -89,6 +89,12 @@ Namespace PreviewN
             End Get
         End Property
 
+        Public ReadOnly Property GLControlClient As GLWpfControl
+            Get
+                Return glControl1
+            End Get
+        End Property
+
         Private ReadOnly Property IsStrgPressed As Boolean
             Get
                 Dim state = Keyboard