void AddObjToTurntable(String rsrcname)
        {
            GeometryModel3D obj = GetCanonicalObject(rsrcname);

            ModelsOnTurntable.Children.Add(obj);

            try
            {
                TRVU_GeometryModel3D xyz = new TRVU_GeometryModel3D(obj);
                TRVU_model.Items.Add(xyz);
            }
            catch (Exception e) {
                string msg = e.Message;
                string src = e.Source;
            }
        }
 private void AddObjectHighlights(TRVU_GeometryModel3D trvugm3d)
 {
     trvugm3d.actual.Material = FindResource("BRUSHyellow") as DiffuseMaterial;
 }