Schematics are files that describe a portion of Minetest nodes. Minetest schematics have nothing to do with the file format used by the Minecraft community that has the same name.
Minetest provides built-in functionality for mods to place structures, or schematics, with decorations or with the
minetest.place_schematic function. The binary schematic format is stored in
.mts files and can be generated by the engine with