This request raised an eyebrow, and i decided to make one. However, like 98% of the requests for models, yours was very unspecific about size, color, orientation, etc. For something like this, concept art is always a plus.
http://www.geocities.com/carrington2k/BlackHole.html 1/3 done with animations and the skin needs some work. Ill end up uploading it when im done, it will probally be tilted ~25-30 degrees when done. I havent decided on its size... i was thinking the size of a Barracks would be appropriate.