Yeah. There's both versions of this. Cross view and parallel view. Depending how it's made, it can pop out or sink into the image. Parallel view wants you to watch through the picture to a point where the patterns converge again. The tricky part is to focus on the converging image.

Half Life?

https://addons.mozilla.org/en-US/firefox/addon/simple-tab-groups/

I'm using this one. You can set hotkeys to switch to a specific named group or to go to next or previous. I use it all the time.

Is public transportation not a thing where you live?