I recently came across this screenshot on the Minecraft wiki:
When I try to put different maps in item frames adjacent to each other, they do not join. I can’t get any number of maps to join into a single image, even when the maps adjacent should actually fit together.
How do I align maps in item frames to join as shown in the picture?
Turns out the problem was that I am really disorganised. I had my maps all over the place and couldn’t wrap my head around it.
I started a new creative world to try from scratch, but this time I organised every map in my inventory in the same formation that it would be on the item frames:
I then created each map one by one, starting with the center, making sure I put it back in the correct position afterwards:
I did this until I had filled out every map:
After I had filled out all of the maps I put them in item frames row by row until I got this final result: