Since the Surface3d extension is an extension of LayoutDOM, that means you can treat it like a figure/layout etc.
Basically just add this to the bottom of the above referenced example demoing this:
from bokeh.plotting import figure
from bokeh.models import Tabs, Panel
t1 = Panel(child=surface,title='3D')
f = figure()
f.line([1,2,3],[1,2,5])
t2 = Panel(child=f,title='Other Thing')
tabs = Tabs(tabs=[t1,t2])
show(tabs)
