Ooo this is tough. Only an hour or so into it, and my brain already hurts. It’s basically a lighting and perspective trick. As you can see, I only have the rough shapes blocked out, but I’d like to make this one somewhat detailed.
Source:
Done so far:
From another angle:
Wow, I never thought someone would actually try to do the 3D version of Escher! Great job!
Very cool that you are trying to do this. Looks quite impressive so far; didn’t think this would be possible in 3d 
Yeah! Videos like these helped a lot: http://www.youtube.com/watch?v=CAJnr5_p1qk (see the end) We’ll see how it turns out. I want to make a really nice render with it when I am done, but I have a bad habit of leaving projects halfway through.
very nice start and good luck!
Oh, it hurts when looking at this picture)
