Mamiya RZ67/RB67 prism cover

thingiverse

I modified the Mamiya RZ67 prisms using two M3x8mm screws with low heads. This was a gamble for me, but it worked out in the end. You're on your own if you decide to try this. To replace the locking pins on the camera, I used M3x8mm screws that are easily removable by hand. I threaded them directly into the part, leaving about 1.5mm of space underneath the heads. This allowed me to insert a small amount of epoxy to secure them further. The threads protrude slightly through the back, making it easy to attach them. UPDATE: On May 19, 2020, I discovered that the original file (square corners, two slots on the back) did not work with RB accessories. To fix this issue, I uploaded a new file (rounded corners, four slots). This updated version has been tested with my RB67 metering prism and seems to function without any problems.