Originally Posted by mconnealy
I had this problem with my Retina I. I spread a little glue on the separated edge of the bellows and pressed it in place. You have to be careful not to get glue where it shouldn't go. I used a little too much and can see a bumpy edge along one side of the negative, though that only matters if I want to include the frame edges in your image. I used hide glue, but other types would probably work too.
I will use the plastic model kit maker's mantra, "Not enough glue is too much" and be careful. Thanks for the tip!
Other than Hide Glue, what glues would work for this?