Smooth gradients are unnecessary in PCB artwork, but laser photoplotting still benefits from anti-aliasing of edges
https://johnathansntb647.theburnward.com/artnet-pro-photoplotting-services-from-quote-to-delivery
Smooth gradients are unnecessary in PCB artwork, but laser photoplotting still benefits from anti-aliasing of edges, producing cleaner arcs and diagonal traces that etch predictably and pass AOI.