this might help or not, haven't read it in the responses, but a simple hair dryer might help. I have built for years and love decal work, a hair dryer is always on hand no matter how many decals are to be applied. using decal solutions around door jams and hood, trunk jams, the drier sets them and you can cut with new blade then your good to go. But you probably already know this, so that is all I got