Awesome little book holders. I work at a library currently, and I knew when I found these that a lot of my coworkers would greatly appreciate one, so I ended up printing about 16 of them to hand out. They print pretty simply, and the thumb hole is perfectly sized for me. Great design, and the little ears just make it so much cuter than just a triangle on your thumb.
The edges of some of mine peeled up just a little bit, but I was also trying to print 8 at once at first, which probably wasn't the best idea hahaha. But it sure did look cool!
But when I printed them one at a time, everything worked like a charm. Guess they just had too much time to cool and unstick.