Huh. I do not know what this is. I am reminded of the internals of GBA SP shoulder buttons, even though I haven't seen those in a while.
Aha, this is not on EMC. I still don't know how this is done, but the mystery does not seem as curious anymore.
It's a mod I'm making for single player worlds with just a bunch of random stuff in it. In other news: Dirt Slabs If anyone wants to actually try this mess out for themselves. You can build it with the source from here.
This mod has just turned into pure chaos at this point. In one week I went from Blob, to making chickens render sideways.