Geil! Das will ich auch:
A creative space lover and Instructables user named Baldr used fiber optics to build himself an awesome bathroom floor that looks like a starry night sky right at home – and with his instructions, you can too!
The lights seem like a good way to light the bathroom during a midnight trip, when you want your eyes to stay accustomed to the darkness. You’ll need to be handy enough to tile and grout a floor, too – and Baldr suggests creating a small test version first. For the rest of his instructions, read on!
More info: Instructables
via Bored Panda