Saw a similar sunglasses holder awhile back here and couldn't find it, so I made my own. This was designed in Onshape in about an hour with all its derivatives. They were designed specifically to used with 3M Command Hook strips and not screws. I used small poster strips with a max weight limit of 1 pound. I had to add cut up strips to add to the horizontal beam when I added heavier glasses. I guess you could use any Command Hooks strip, tape, or puddy to stick them, use what you have. Only thing that matters are weight limits. Command hook limits are here http://www.command.com/3M/en_US/command/hooks-strips/product-weight-limits/

Adhesive area is 15.6 mm wide x 27 mm long Uno = 1 - 2 Frames Duo = on the way Trio = 3 - 4 Frames Party size = TBA