As an amateur 3D modeller (and I seriously do mean amateur), seeing works like these can be both depressing and inspiring at the same time. I don't hold any unrealistic illusions about my own skill level though. The artists who made these images are at the top of their game and some do it for a living.

Here are for your viewing pleasure, 3D renders of people you may have seen before. Some of them are breathtakingly real. Hit any image for the full sized version and more details.