These are the fender deletes for my v1 and v2 pint pubrails. I use these along side the pint mini fenders by quinnwheel.
I prefer to print these in pa-cf with 60ish % adaptive cubic or gyroid infill. I have not verified if these will fit any other rails they are specifically intended to be used with my pint pubrails which can be found here:
https://www.printables.com/model/1025987-pint-5deg-pub-rails-cnc
The author marked this model as their own original creation.