During winter birds starve, and a lot of them die. This house to feed them and help them survive the cold and lack of food.
This bird feeding house is rather large, and has many parts. To make the project doable in a reasonable amount of time, I've used wooden boards and rods, along with 3D printed parts. Still, it required about 650 grams of PLA.
You can find a full description of design decisions and an assembly video at
https://nootrix.com/projects/3d-printed-bird-feeding-house/
The author hasn't provided the model origin yet.