Exactly what Jsonpaul suggested, except I was going to say - Optimount from seal. watch this video on youtube.
is she matching something that has been done or just asking for stupid ideas that popped into her head?
I think an optically clear mounting film would work, the one that they use to mount photos in acrylic mounts. Just use a good pressure in your laminator. I used these when mounting photo print in reverse to an acrylic sheet for photographers. Mactac permacolor 2100 series
Exactly what Jsonpaul suggested, except I was going to say - Optimount from seal. watch this video on youtube.