Metawall

[Cooper60hz]

https://rolfbader.de/the-metamaterial-wall


Has anyone built this? I'm hoping to start experimenting with some of the panels he describes

 

[Cooper60hz]

I'm hesitant to start covering my walls with wood as I live in a condo. But I may start with some foam core that's fire rated to begin experimenting with

 

[Cooper60hz]

You may also be interesting to see how the sides of an h frame sub would work made of this