def __init__(self): Polyhedron.__init__( self, points=np.array([ [1.0, 1.0, -1.0], [1.0, -1.0, 1.0], [-1.0, 1.0, 1.0], ]), faces=[[0, 1, 2]], ) self.scale(np.array([0.02, 0.02, 0.02]))