Now the research of the second tool belt becomes a bit off. It won't affect the world - only the interface to the player. This is a bit like a research that would allow hi-res graphics.

Remembering a list of tool-belt/short-cut-list settings should be very convenient. Thanks!

The terrain in this image looks good https://us2.factorio.com/assets/img/blog/fff-200-map-land.png It, a kind of, feels "right". I was thinking of something like planetary terrain with cold polar lands and hot equatorial lands (forests and deserts). This have to limit a map vertically, tho...