The dremel tool worked well for me, but what ever powertool you use to cut it will also melt the plastic. You must cut out small pieces at a time or the plastic will melt behind the cut and seal it ...

If you are looking for a compact saw that can work with a lot of materials, the DeWalt 3-inch Brushless Cut-Off Tool could be for you. Of course, there are considerations you'll need to weigh if you ...