embroidered cracklebox, a tribute to the Kraakdos by Michel Waisviszs
I am 90% through an article with instructions and a circuit diagram to be published in Hackspace Magazine. More information coming soon.
A little information about the original Kraakdos:
//history// https://www.factmag.com/2014/03/13/forgotten-classics-michel-waisviszs-crackle/ //technology// https://hackaday.com/2015/09/03/the-kraakdoos-musical-abuser-of-an-ancient-opamp/