CircleGeometry with edges

For a Sprite with a CircleGeometry, what is a good approach to draw edges around the CircleGeometry?

Is that what you mean?2021-11-04 12.24.04

See from the Collection of examples from discourse.threejs.org

ColorToTexture_FragmentShader

You can also use a simple shader and customize it.
ShaderCircleExplanation2021-11-04 12.27.55

The simplest variant is to use a suitable texture.