No idea what it is about toasters, other than their simplicity, but I really love the effort with the flatpack version.
Most current site: https://www.thomasthwaites.com/the-toaster-project/
Older site: http://www.thetoasterproject.org/page2.htm
Some videos: https://vimeo.com/3162229 https://vimeo.com/3186135 https://vimeo.com/3186840
They also did a TED talk on it: https://www.youtube.com/watch?v=5ODzO7Lz_pw
No idea what it is about toasters, other than their simplicity, but I really love the effort with the flatpack version.