Sony E/FE lens mount

This is a printable model of the mount found on Sony E/FE lenses, which you can use to design accessories like extension tubes or custom lenses.

Print at 0.1mm layer height, in PETG (recommended), PLA, or my pick, ABS.

For ABS I had to set my filament shrinkage in my slicer to 99.5% to get an accurate diameter for the locating ring that is highlighted in blue and marked with a "1" in the screenshot above, the ring was too small otherwise.

This ring should be 46.75mm in diameter, if it's too large it can't be pushed onto the camera's mount, if it's too small the lateral fit on the camera becomes sloppy, although 0.2mm under should still be okay.

Two designs are included. One uses a 3D-printed slot for accepting the locking pin from the camera which matches that found on real lenses.

The other design has a space for a brass M3 hex half-nut to receive the locking pin. A full nut can be used instead if you deepen the slot. This suits high torque requirements (i.e. it prev