semi-transparent plastic sheeting

Hi, I’m looking for a semi-transparent (60-90% opaque) plastic sheeting. Something similar to drawing templates would work well. Maybe even a little thinner because I will be cutting it with and x-acto (unless there are any other tools that would work well). A matte surface would be prefered and stength isn’t really an issue. In the end it will just be small cut out shapes.

I looked on McMaster Carr, there were so many choices I wasn’t sure which would work and I couldn’t see photos of samples. Thanks.