Modeling, DesignWorkshop Professional. Rendering, DesignWorkshop Professional.
These images of the ring in the space station poster earlier. These images shows a lights and textures wireframe of a portion of the ring and a closeup of where a room with storage tanks joins with another room. The ring is made of 16 separate modules connected to form the ring. The picture in the bottom right shows what the inside of an empty module looks like.