Bronica SQ-Ai Film Winder Knob

thingiverse

A custom knob for Bronica SQ-Ai (and I think SQ-A) cameras. I though the Bronica SQ winder/cranks would work on a new Ai I bought, but found out the hard way that was not the case. So I made a simple replacement. This is NOT modelled after the original knob and is just friction attached. But it seems to work and certainly it's better than trying to find the film with no winder. It should print without supports on the bottom. I print it from bottom to top but if your printer does not bridge super well, I suppose you might be able to flip it upside down if you don't mind the first layer being the top layer. I tried printing it with variable height layers (a feature of Slic3r PE) but found it didn't make enough of a difference so I just printed mine at .2mm in PLA though I will likely print one in PETG.