And yup, it would be a lot easier and quicker to handle the text now with the Flow command in v3, but you still managed to get a good result anyway in v1.
Good job DesuDeus!
I love technical breakdowns of cool mechanical stuff like that. Clean looking render.
One thing though...
Is that a reflection of an adjacent surface or a really spooky hidden reflection of "someone" or "some thing's" face?
Well, M.C. Escher did it, but it's still kinda freaky. ;-)
I took the liberty of reconstructing the other side.