Cutting from plexy glass works fine, but it's getting the shape right and not very nice to cut through. At least the way I've seen it done. A nice piece of hard plastic will probably be your best option. I hope I helped:)
This is my first post:) I'm happy to be here on the 405th! Anyways, my irrational fears, and I say fears because there are 2, are needles and aliens...otherwise my others are eh pretty normal.