MOTM

>> I'm not sure about a Dremel, I haven't tried one. I use a table saw
>> with a very fine tooth blade.
> 
> I just remembered that a jigsaw also works for cutting plastic.

I thought that one could cut plexiglass--at least the thinner stuff--by
scoring it with something sharp, and then snapping it against a straight
edge like a metal yardstick or a table edge. Can't say that I've tried it,
though.

--Adam