Smooth gradients are unnecessary in PCB artwork, but laser photoplotting still benefits from anti-aliasing of edges
https://troyuhhb018.almoheet-travel.com/achieving-ultra-fine-features-with-artnet-pro-laser-photoplotting
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.