Tasked with building a new data center in an urban area of Germany, the team behind the Wave House harnessed the benefits of 3D printing technology to inject a sense of style into the unglamorous world of cloud-computing infrastructure, creating Europe's largest 3D-printed building in the process.
Here’s another article, with a photo from the inside and a video of the construction process.
https://www.techeblog.com/the-wave-house-data-center-europe-largest-3d-printed-building/
That said, I’d expect racks and blinkenlights, it’s a datacenter after all.
It would’ve been funny if it was full of infill.