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The Woolen Meshes mod lets you "capture" an area of nodes, most nodes from minetest_game are supported, and then place the captured area as a single node, in a reduced size. It's really great for making decorative items and miniatures. You can easily add nodes from other mods to the supported list, but the nodes are only represented as solid or wool colored micro nodes, so you can use any yellow colored node to get the same output color.

Required Mod:
Matrix Github

More mods by this modder

It doesn't look like I've reviewed any other mods by this author, feel free to suggest one.