Why It Matters
The station, constructed in just six hours in rural Japan, is admittedly small (it’s served by only one train line), but the project’s speed and minimal waste show the huge upside of 3D-printing technology.
Correct answer: A train station
Related Articles
Read inspiring stories about people building a more sustainable future
![3D-printed neighborhoods are popping up across America: '[This] is not science fiction'](https://www.thecooldown.com/wp-content/uploads/2023/12/CMzJAvaESBFX.jpg?w=1920&h=800)
Take Action
Explore all the big and small things you can do to make a difference
Recent Polls
Share your viewpoint with the community on trending topics
Comments
Join the community discussion
We’re excited to hear from you!
— The Cool Down Team