I made this model to hang my clip on sunglasses on the sun visor of my truck. I looked around could not find something similar designed for the clippon that clip near the nose. So I designed one for my use. One note, is I would print thing in a hi temprature media. After a few hours in the hot sun even my PETG began to warp from the heat in my truck during a mild summer day.
The author hasn't provided the model origin yet.