What I originally had in mind - the Japanese version. I simply drew the black lines with Autocad.

It can even go two ways:

I drew this pattern as well - I found it online here on this page but it was too scrambled to be able to use.

I like this one very much! The original can be found here on this page

While searching online I also stumbled about this on this page and liked it.

Next will be skylines and futuristic planet designs ;) Wall panels part 2