There is little point in trying to make it "3D". You need more than a year of development, people who know quite some hardcore programming (including 3D graphic architecture) and also designers to actually do the modelling / texturing and whatnot.
Thousands a year? Try hundreds of thousands
those people want money for their work, because this can only be done full-time.
And nobody will donate that much without having a result
) which comes 12 months at least after it.
The subject line of your post is very ... non-helpful in describing your request.
Try to make the subject like a subject - and describing what's in the post a bit more in detail please.