Can anyone tell me if a three-ring binder exists that’s fitted to the acme animation standard hole punch?

I’m an animation major, and I have to carry around hundreds of frames at a time to shoot pencil tests. I work with Acme’s three-hole punch registration standard, but I can’t find a binder with rings set for that hole set. It’s extremely inconvenient carrying these sheets around loose, and hard to keep them organized. If anyone knows where I can find something like that, please tell me. If not, then I’ll settle for any other practical means of storage. Thanks.