How to create a TitleSet & Map Chip Config from scratch

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Instead of using a tileset like this:

We process it first like this:

I think that if you run out of space even then, you’ll have to painstakingly do the rest manually in an image editing program

The 256x256 mapobject image is the limit, so you might save some space by rotating tiles in the mapchip config data. You can do this part in febuilder.

There is no guide to doing this afaik. Try asking in #cartography when you get stuck on something specific.