Does this effect have a specific name?

[Robin Ihoodl]

something i've wanted to know about a while now

[Ad Bot]

[awesomebread]

what effect
this better not be an arg

[Robin Ihoodl]

the whole inverted picture thing

[RedGajin]

nic arms twiggy LOL
#getwreked #swag

[blueblur121]

He's talking about the triangle pictures being inside each other.

[Renekar]

he hid a 3 in the corner.
half life 3 confirmed.