After almost two years of development I recommend you check my up to date design if you interested in such subject. www.thingiverse.com/thing:4540492
This is a test of concept for converting Point and Shoot lenses to M39 mount.
It can be used in rangefinder film or digital mirrorless cameras.
The files are for the Kodak star 30mm, you may need do make changes for other lenses .
The author marked this model as their own original creation. Imported from Thingiverse.