I designed this OpenSCAD generator to create a lens cap holder to fit the camera strap.
It features:
It works on my Nikon and should work for other models. For reference, the included STL's are for a 67mm cap and strap with 8mm and 28mm sections.
It is a fast, easy print with no supports. I printed in PLA, but you may want to consider tougher filament if ruggedness is a concern.
Inspired by:
The author marked this model as their own original creation.