Optimized bottom part of the "Transport cases for Micro Four Third Lenses" by @eponra.
The object is now with optimized geometry for faster printing and more reliable teeth for the lens thank to the beautiful design by @marlinprint. This remix also enforce the adhesion of the outer screw to the body. Before it was separated part.

Pro tip:
Safer test of the fit is with the protective cap of the camera (it has the same profile as the lenses).