Simple TNT Duper

Published on March 29, 2026

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About this build

This Minecraft build showcases a highly compact and efficient TNT duplication mechanism. Utilizing a sticky piston and slime blocks, it repeatedly pushes a TNT block through a precise redstone setup, causing it to drop as an item without consuming the original block. This design is perfect for automated farms requiring a constant supply of TNT for various purposes like block breaking or resource gathering. The mechanism is self-contained and demonstrates a fundamental redstone principle.

slime_blockSlime Block6
tntTNT1
dead_horn_coral_wall_fanDead Horn Coral Wall Fan1
oak_fenceOak Fence1
sticky_pistonSticky Piston1
detector_railDetector Rail1

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Build Details

This machine duplicates TNT infinitely. For it to start, do the following: 1. Place a minecart on the rail 2. Push the lever The TNT is falling down beneath the one existing tnt. Make sure that there is nothing you wouldn't want to be destroyed beneath it!

Dimensions5 × 3 × 2
Blocks11
Minecraft1.0
Original FormatStructure Block
File Size428 B

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