TNT duper (read desc first!)

Published on March 29, 2026

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About this build

This compact redstone contraption is a TNT duper, designed to generate infinite TNT blocks without consuming the original item. Utilizing a sticky piston and slime blocks, the mechanism repeatedly pushes a TNT block and a tripwire hook assembly. When activated, typically by a minecart on a detector rail, the duper duplicates the TNT, which can then be used in various automated blasting or farming setups. Its small footprint makes it suitable for integration into larger redstone systems.

slime_blockSlime Block6
tntTNT1
dead_fire_coral_wall_fanDead Fire Coral Wall Fan1
birch_fenceBirch Fence1
observerObserver1
smooth_quartzSmooth Quartz1

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Build Details

------------------------------------------- IMPORTANT!: MAKE SURE TO PUT A MINECART ON THE DETECTOR RAIL BEFORE RUNNING FOR THE FIRST TIME!!!!! ------------------------------------------- Simple tnt duper with minecart and dead coral. Flip the lever to activate the redstone clock. (you may also put a lever on the quartz block next to the main piston for manual control) Is patched on paper

Dimensions2 × 3 × 8
Blocks13
Minecraft1.0
Original FormatStructure Block
File Size443 B

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