Autosmelter Carpet Dupe Schematic gives you a fully working machine that cooks your items automatically. It uses a clever trick to copy carpets so the furnaces never run out of fuel. You do not need to gather coal or wood to keep this system running. The build is medium-sized and fits easily into most bases. It uses standard redstone parts, so it works perfectly in normal survival worlds without any extra tools.

Autosmelter Carpet Dupe Schematic Thumbnail

3D Preview:

Features:

  • Generates endless fuel by copying brown carpets inside the machine.
  • Cooks items automatically using a row of connected furnaces.
  • Sends items into the furnaces using moving minecarts.
  • Collects all your finished cooked items into one output chest.
  • Lets you turn the duplicator and the minecarts on or off with simple levers.
  • Works in the normal game and uses exactly 371 standard blocks.

Schematic Specs:

Minecraft1.21.x
Dimensions24×8×6
Total Blocks371
Hopper 98Powered Rail 72Cobblestone Stairs 64Cobblestone 46Furnace 32

How to Use:

  1. Flick the lever to turn on the carpet duplicator.
  2. Wait a little bit for the carpets to fill up the furnaces.
  3. Place the raw items you want to cook into the starting chest.
  4. Pull the next lever to send the minecarts out.
  5. Watch the minecarts drop the items into the heated furnaces.
  6. Take your cooked items out of the final collection chest.

Screenshots:

Redstone mechanism using slime blocks and pistons to duplicate brown carpets
Redstone mechanism using slime blocks and pistons to duplicate brown carpets
Full view of the autosmelter carpet dupe machine with minecarts on rails
Full view of the autosmelter carpet dupe machine with minecarts on rails

Autosmelter Carpet Dupe Schematic Download Links

For Minecraft 1.21.x

Vanilla 2 KB Jun 8, 2026

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