A metal plate with circles, for drawing circles onto paper or wooden targets for shooting training

A metal plate with circles, for easily drawing circles onto paper or wooden targets for shooting training.

A gap will show though at each circle, because
it needs to be one whole plate.
-But it's easy to fill these gaps at the traced circles.

Extra: A square version.
Extra 2: Versions with multiple smaller squares.

Extra 3: A version with multiple smaller circles.