I've spliced chunks together using sh, dd, and xxd before to resurrect my gf-at-the-time's wolf.
I've also been meaning to play psuedo-multiplayer with my friends by us each claiming a region in a seed. Each region being 32x32 chunks and saved to a separate file (.mca), you can just drop their latest region into your world folder to see what they've been up to, or play on LAN and send it back after.
I've also been meaning to play psuedo-multiplayer with my friends by us each claiming a region in a seed. Each region being 32x32 chunks and saved to a separate file (.mca), you can just drop their latest region into your world folder to see what they've been up to, or play on LAN and send it back after.