The squareminimap.zip file you have requested: User Interface Mods / Maps / Square Minimap - 4.39kb is not available. Perhaps try browsing all files for the game World of Warcraft and upload any files you want to share or are missing. This is the only information we could locate:
Simple enough, this makes your minimap square. You can see a little bit more with this addon and it fits well with some custom interfaces.