faces_list = [
            [0, 1, 3],
            [1, 2, 3],
            [2, 3, 3],
            [0, 1, 2]
        ]
        vertex_coords_1 = [
            A.get_center(), B.get_center(), C.get_center(), A1.get_center()
        ]
        vertex_coords_2 = [
            B1.get_center(), C1.get_center(), C.get_center(), A1.get_center()
        ]
        pyramid_1 = Polyhedron(faces_list, vertex_coords_1).move_to(prism.get_center()).set_stroke(WHITE, 1).set_fill(BLUE, 0.3)
        pyramid_2 = Polyhedron(faces_list, vertex_coords_1).move_to(prism.get_center()).set_stroke(WHITE, 1).set_fill(BLUE, 0.3)
        pyramid_3 = Pyramid_3().move_to(prism.get_center()).set_stroke(WHITE, 1).set_fill(BLUE, 0.3)