These photos might look like they were computer generated, but they’re actually unmodified photographs. Ron Brinkmann took 6 mirror tiles and made a box with them with the help of some duct tape. He then placed a camera inside and triggered shots using the timer.
Here’s what the box looks like (the sixth tile is used as the lid):
You can find more of these photos in this Flickr set. Someone should take this idea to the next level by making a mirror box that’s big enough for a photographer to fit inside.