I made this quite a while ago, posted on my furaffinity (I'm not too active on here!)
This is, of course, a reference to Portal 2, though for those who don't know the reference, I suggest picking up a copy of the game, or looking into what the 'Space Core' is! :>
If you like my work, please comment, let me know, and visit my website or furaffinity! I always appreciate new viewers to my art and I try my best to design high quality wallpapers for everyone to enjoy!