My other hobby is photography, more precisely silver/film/analog (as you like) photography, with a peculiar predilection for self-made pinhole camera picture taking.
Here is the first "anamorphic" pinhole camera that I built :

I discovered afterward that I could give her a descriptive name (however in german) with the acronym POLKa : "Panoramische Oberlicht Loch Kamera".
The kind of pictures this camera takes are weird, here an example :

You may click on both above pictures to enlarge them.
This is a paper (in french) explaining everything about the three POLKa's that I built since, and HERE is a gallery with a few more pictures.
Bye, Paul