[Hammer] devshot entity?

[5FB5]

I didn't see it in Source 2, but Source 1 has a cool (I think) Hammer entity called "devshot" that can make take a shot of your map to see progression of developing.

For example you can see Valve's devshots of developing map for HL2EP1 and Portal
HL2Ep1: https://www.youtube.com/watch?v=J--C2naElGk
Portal: https://www.youtube.com/watch?v=OYoRBA_SsoE