Curtain rail hook/glider/stopper

Just a curtain glider for my curtain at home, couldn't find an existing model hence decided to model the existing ones and create these. They glide decently well, not quite as smooth as isn't sandedI just need a curtain glider for my curtain at home, I couldn't find an existing model, so I decided to model the existing ones and create these. but perfectly suitable.

NOTE: Printed model is actually a bit smaller than the model, the 3D model is accurate though.