Baroque organs often have stops for special effects, for instance mimicing bird noises, which are called 'Nachtigall' (nightingale). Information can be found on the German Wikipedia-page.
Seeing the video below inspired me to write my own file.
Here is the file on Thingiverse and there is an expolartion video:
The main reason why it looks like it looks is that this way it could
be printed without support structures, everything is at 45° angeles.
My findings were that the model works but I never had the need to use it for anything.
Text last updated: November 15th 2020