“Transit” was a spaceship concept that started as an experiment in animated concept art that looks close to being a render. The trick is EB Synth – free software that can take a repainted frame of a video and project it across the rest of the video’s frames. That experiment yielded the animation below, but the ship design wasn’t final there. I did more work on it for the images above.
And here are some cropped stills from the 4k animation – click through for full size images:
And here are some process images to better explain the steps involved: