def CLONE_SOURCE_OBJECT (tile_object, source_plane):
    new_obj_name = tile_object+'_SOURCE_COPY'
    if not (tile_object in CLONE_SOURCE_OBJECT.Items):
    bpy.ops.object.select_all(action='DESELECT')
    bpy.data.objects[source_plane].select = True
    bpy.context.scene.objects.active = bpy.data.objects[source_plane]
    SPD_x, SPD_y, SPD_z = bpy.context.active_object.dimensions
    bpy.ops.object.select_all(action='DESELECT')
    bpy.data.objects[tile_object].select = True
    bpy.context.scene.objects.active = bpy.data.objects[tile_object]
    scn = bpy.context.scene
    src_obj = bpy.data.objects[tile_object]
    new_obj = src_obj.copy()
    new_obj.data = src_obj.data.copy()
    new_obj = src_obj.copy()
    new_obj.data = src_obj.data.copy()
    new_obj.animation_data_clear()
    new_obj.name = new_obj_name
    NOD_x, NOD_y, NOD_z = bpy.context.active_object.dimensions
    NOL_x = (NOD_x)/2
    NOL_y = (NOD_y)/2
    NOL_z = (SPD_z)
    new_obj.location = (NOL_x,NOL_y,NOL_z)
    scn.objects.link(new_obj)
        CLONE_SOURCE_OBJECT.Items[tile_object] = new_obj_name
    return new_obj_name