This is really going be just a photo dump, because there's not much to say about a bird feeder. I spent about a month on this.
The hardest bit was figuring out a way to attach it to the balcony. The rope you can see in one of the photos was just to make sure it doesn't fall down when I tried to install it. It's actually quite stable, if not exactly horizontal. You can't see that from the room tho, so it doesn't matter. And birds don't care.
Here's a little "Elements" series:
And, I know this is a garbage photo, but: