Вы можете наложить несколько графиков, используя Axes3D.plot :
import matplotlib.pyplot as plt
import mpl_toolkits.mplot3d.axes3d as axes3d
import numpy as np
x = np.arange(6)
y = np.linspace(0, 11, 50)
z = x[:, np.newaxis] + y**2
fig = plt.figure()
ax = fig.add_subplot(1, 1, 1, projection = '3d')
for xval, zrow in zip(x, z):
ax.plot(xval*np.ones_like(y), y, zrow, color = 'black')
plt.show()
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