If you haven’t got one of those templates yet, check out [Guy Perez ... As you can see in the video embedded below, the resulting jig is easy to use and should result in near-perfect dovetails ...

The Ryobi jig seemed less durable, but it features a much simpler design with fewer parts to store. The Porter-Cable 59370 template worked with a wider range of hinge sizes and door thicknesses.