Edge pixels
A node of the Style graph, in the Inputs group.
Where the mesh's own edges cross the frame in front of everything.
Takes: render (render) · Gives: mask
What it wires to
Its render input takes a render, which these give: Render.
What it gives, a mask, goes into: And, As a number, Choose by mask, Glint, Grow, Not, Or, Shrink, Step where masked.
In the app, drag a wire from one of its dots: every dot the wire fits is ringed.
How it fits with the rest: the Style graph in the manual.
In the same group
Camera · Render · Layer · Picture · Fill light · Motion · Surface dither · Loop phase · Ramp of the colour · Metallic · Roughness · Emissive · Occlusion · See-through · Ramp position · Layered Render