Rail Duper

by simpatinho•Nov 5, 2026•redstone•Works in 1.16+•87•29•4.5 KB
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Description

Compact redstone rail duplicator using pistons, slime blocks, observers, and powered rails.

This redstone build measures 15 × 9 × 3 and uses 142 blocks across 16 different block types, mostly powered rail, iron trapdoor, gray concrete.

It is made for Minecraft Java Edition 1.20.1.

Build at a Glance

Dimensions15 × 9 × 3
Footprint45 blocks
Total blocks142
Block types16
EditionJava
VersionMinecraft 1.20.1
File size4.5 KB
DifficultyBeginner

Blocks in this schematic

142 blocks total

Placed blocks, not crafting ingredients. Overlapping regions are counted separately.

Powered Rail22
Iron Trapdoor22
Gray Concrete16
Redstone Dust13
Black Stained Glass13
Target12
Redstone Torch11
Observer10
Sticky Piston7
Note Block4
Redstone Block3
Piston2
Redstone Torch2
Piston Head2
Slime Block2

Frequently Asked Questions

What Minecraft version is Rail Duper for?
Rail Duper is built for Minecraft 1.20.1 (Java Edition) and usually works on nearby versions too.
Do I need any mods to build Rail Duper?
No mods are required. You only need Litematica (or another schematic mod) to view and place the build in survival or creative.
How many blocks does Rail Duper use?
Rail Duper uses 142 blocks across 16 block types, and measures 15 × 9 × 3. Use the materials list above to gather everything first.
How do I import Rail Duper into Minecraft?
Download the file above, then: in Litematica (Java), put the .litematic in your .minecraft/schematics folder, open the Litematica menu in-game, load the schematic, and use the placement tools to build it block by block. In WorldEdit (Java), drop the .schem into your WorldEdit schematics folder and run //schem load then //paste. On Bedrock, use a structure-block or add-on workflow that imports .nbt structures.
Is Rail Duper free to download?
Yes. Every schematic on MineSchematic is free to download in .litematic, .schem and .nbt formats, with no account required.

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