SandyBridge

That being said, there are still a few options you might want to consider. One option is to use a different software specifically designed for creating color separations, like Adobe Illustrator or CorelDRAW. Another option is to try using Affinity color separation features in combination with a plugin or add-on that adds support for register marks.

This is a really common technique in the screen printing world, and it's great that you're looking into it. Unfortunately, it looks like Affinity doesn't have a built-in feature for creating color separations with register marks.