TNT Duper 1.21.6 - [Survival & Multiplayer Friendly]
Published on March 25, 2026
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This highly efficient TNT duplication circuit is designed for seamless integration into large-scale automated farms. Utilizing a clever arrangement of slime blocks, a piston, and a dead coral fan, it allows for infinite demolition capabilities in survival mode. The compact 5x3x2 footprint ensures it fits within almost any bedrock-breaking or quarry setup. It is a essential technical component for advanced redstone engineers looking to optimize their resource harvesting.
Slime Block6
TNT1
Dead Tube Coral Wall Fan1
Cobblestone Wall1
Sticky Piston1
Detector Rail1Comments
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Uploaded by @bawkblock
Build Details
This schematic contains an "un-primed" version of the TNT Duper design shown by BasicRedstone in the linked YouTube video. Duper & Schematic built and exported to suit both Survival and multiplayer needs as most dupers wont let you place the TNT without ignition, or it will ignite on Schematic paste. This schematic will basicly pull the TNT, coral and slimeblocks 1 block further back when powered the first time and once that is done it's good to go.
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