Ding ding ding.. Do I get a prize.
Just make one. Use any small disk, something like a checker. Drill a hole in it an glue it to the motor then put a short screw in offset about how ever far ya need.

Just make one. Use any small disk, something like a checker. Drill a hole in it an glue it to the motor then put a short screw in offset about how ever far ya need.