I have wanted to build a shop made scroll saw for a long time. I haven't done so because with health problems, I didn't know if I could handle the type that you pedal or work a treadle. Then I ran across this design in an August 1986 copy of WOOD .
Cut flawless circles from to in diameter without complicated math equations. The Rockler Circle Cutting Jig sets up in minutes and mounts quickly to many popular routers made by Porter Cable, Makita, Hitachi, DeWalt, and Bosch.