modified:   mouse_rotated_cube.py
new file:   rotating_cardiod3d.py
new file:   rotating_double_cardiod.py
new file:   rotating_multiprong.py
modified:   sierspinski.py
new file:   rotating_plane.py
new file:   rotating_toroid.py
new file:   rotating_triple_torus.py
new file:   rotating_triple_torus_v2.py
new file:   rotating_wierd_torus.py
new file:   rotating_wierd_torus1.py