Universal Sunglasses Holder

My wife and I were looking for a way to store sunglasses near the door we leave through on the way out of the house. The sunglasses had taken to just piling up on a shelf next to the door (along with keys, change, etc.). I had tried looking on Thingiverse for a sunglasses holder that would fit my needs but could not find anything that worked. I printed a few different options but they never worked with ALL of the different types of sunglasses that my wife and I have. The holders seemed to be