The Fabulous TBM adds a fully functional Tunnel Boring Machine to Minecraft, designed for automated tunneling through the Nether and Overworld.
How it works
Build the required machine structure with a ring of Redstone Blocks, then Iron Blocks, Sticky Pistons, Iron Blocks, and Dispensers. Craft a TBM Computer using 4 Redstone Blocks, 4 Copper Blocks, and 1 Block of Smooth Quartz, and place it in the middle of the Redstone Block ring facing the direction you want to tunnel — then attach a lever to the TBM Computer Block. Hint: the Dispensers are the front and face of the Machine.
The TBM will automatically:
Setup requirements
The machine stops automatically when it reaches the target coordinate, runs out of supplies/breaks a pickaxe, or hits Bedrock or the world border.