from sympy import *
from spb import *
t = symbols("t")
graphics(
    surface_revolution(
        (cos(t), sin(t), t), (t, 0, 2*pi), (phi, 0, pi),
        use_cm=True, color_func=lambda t, phi: t, label="t [rad]",
        show_curve=True,
        wireframe=True, wf_n1=2, wf_n2=5),
    backend=PB, aspect="cube")