| Using acetate rather than paper is always a good start. Acetate generally tends to hold its shape a lot better, and doesn't crumple/wrinkle like paper does.
It also cuts a lot more "easily". It cuts nicely in long smooth lines rather than having a tendency to want to rip as paper does, and tends to create less drag on your knife. That said though, it is a bit thicker, and requires a bit more force to get the initial cut through.
Whenever I've been cutting anything like that, I've used a scalpel with a very pointy blade. My sister had a scalpel with a bunch of various blades that I used to borrow, it was pretty handy. Having a "pencil-like" point helps when cutting out awkward shapes and tight curves. |