The Seiko's "Magic Lever" is probably the most elegant, simple, and brilliant two to one way mechanism. It has only three core components, input gear, magic lever, and output gear, to achieve a "mechanical rectification".

Print everything with a standard 0.4mm nozzle, with any layer height.

There is a folder named "Fitting Variants" where you can find files with witih a number at the end of each name.

+1 and +2 variats have smaller pivot hole diameter, hence a tighter fit

-1 and -2 variants have larger pivot hole diameter for a looser fit