Birdhouse Customizable

For the Openscad competition I took an old and never published design back from 2019. A customizable birdhouse.Another bird, another birdhouse (at least according to the bird association). With this model you can design a birdhouse for specific birds according to the guidelines often to be found on the webpage of your national bird association. The one showed here is designed especially for the great-tit. But no one asked the birds themselves here, they investigate it but prefer to breed in the