I made these 2 years ago and I LOVE them!
Then, just glue the glass back into the frame with hot-glue or E6000. I used hot-glue for these (didn’t know about E6000 yet) so I just quickly dabbed a bit it in each corner since it cools so fast
I stapled a cute ribbon onto the back of one and hot-glued a chain onto the other to hang them up with.
Anyhoo, this is a great way to use some of those frames you have stockpiled up in your closet (you KNOW it’s true :)