Does anyone know a good place where you can rent a "dark room" to develop your own pictures in Zurich?

Maybe ask someone at the Viewfinder Center for Photography? They are friendly and helpful. I'm not sure if they are shooting with film but I'm sure they know someone who is.

For any photographers who are looking for a photostudio in zurich: please contact http://www.mietstudio-zuerich-schweiz.ch
240m2-Photostudio in the heart of Zurich, professional equipped!