frommpl_toolkits.mplot3dimportAxes3D
# setup the figure and axes
fig=plt.figure(figsize=(8,3))
ax1=fig.add_subplot(121, projection='3d')
ax2=fig.add_subplot(122, projection='3d')
# fake data
_x=np.arange(4)
_y=np.arange(5)
_xx, _yy=np.meshgrid(_x, _y)
x, y=_xx.ravel(), _yy.ravel()
top=x+y
bottom=np.zeros_like(top)
width=depth=1
ax1.bar3d(x, y, bottom, width, depth, top, shade=True)
ax1.set_title('Shaded')
ax2.bar3d(x, y, bottom, width, depth, top, shade=False)
ax2.set_title('Not Shaded')
plt.show()