Houdini Procedural Building

I tried my hand at Houdini, after following a tutorial, I unfolded my wings and made this. It's based on an image find in google (I can't find the author) which was not procedurally generated and I felt like it was a good challenge to start.
I'm really pleased with the result, and I felt like I knew what I was doing until I started a different project with a different kind of procedural generation.
I still want to make a pass of another set of assets 2×1 size and a Texture pass so I could enjoy those buildings in a game project.