Concentric Circles

A round cog or gear with concentric circles and many flat teeth.

Round Cog Or Gear

A circle with a thin outline and a smaller circle at the center.

Image of a target with multiple concentric circles.

A digital background with concentric circles, dots, squares and pixels.

A digital background with dots, concentric circles a plus shapes.

A target, plate or round shape with concentric circles of different colors.

Concentric circles fading out from the center.